A dark brownish-red.
Colours in photographs vary with lighting, material, camera processing and screen calibration — the named colours below are visual approximations, not exact measurements.

This boulder's colour is hematite, iron(III) oxide — the same mineral that gives red ochre earth pigments their colour, and the reason iron-rich soil so often looks red or rust-brown.
The original photograph includes roadside signage, snow and a photographer's shadow around the boulder; this palette was picked from the rock surface only, not the surrounding scene."Bengala Akanesawa red rock" by Aomorikuma, CC BY-SA 4.0, via Wikimedia CommonsSubtle, bold, analogous, complementary and neutral options — established design convention, not a guarantee of visual success in every context.
Complementary
Opposite hues (180° apart) for maximum hue contrast.
Analogous
Neighbouring hues on the colour wheel for a low-contrast, harmonious feel.
Analogous
Neighbouring hues on the colour wheel for a low-contrast, harmonious feel.
Triadic
Three hues evenly spaced around the colour wheel for balanced contrast.
Triadic
Three hues evenly spaced around the colour wheel for balanced contrast.
Split-complementary
The two hues bracketing the complement, for contrast with less tension.
Split-complementary
The two hues bracketing the complement, for contrast with less tension.
Tetradic
Four hues at 90° steps around the colour wheel for a rich, varied palette.
Tetradic
Four hues at 90° steps around the colour wheel for a rich, varied palette.
Tetradic
Four hues at 90° steps around the colour wheel for a rich, varied palette.
Monochromatic
Same hue at different lightness levels, for a cohesive tonal palette.
Monochromatic
Same hue at different lightness levels, for a cohesive tonal palette.
Monochromatic
Same hue at different lightness levels, for a cohesive tonal palette.
Monochromatic
Same hue at different lightness levels, for a cohesive tonal palette.
For an accessible, low-contrast-risk pairing, monochromatic (same-hue) combinations are usually the safest starting point — see the harmonies above.
Name origin
Inherited from the red hue family, not specifically documented about this exact shade — see methodology.
Calculated directional adjustments. Some directions converge on the same result from this starting colour — shown as one merged card with an explanation, not repeated duplicates. Generated shades link to a curated profile only when one is close enough.
Lighter
Lightness increased
Darker
Lightness decreased
No curated profile yet
Warmer & Greener & Yellower
Hue rotated toward warm (red/orange) From this starting colour, moving warmer and greener and yellower converges on the same calculated result.
Cooler & Bluer
Hue rotated toward cool (blue) From this starting colour, moving cooler and bluer converges on the same calculated result.
Redder & More saturated
Hue rotated toward red From this starting colour, moving redder and more saturated converges on the same calculated result. This is close to the source colour itself — there is limited room left to move redder from here.
More muted
Saturation softened
CMYK is an approximate device conversion, not a calibrated print value — see methodology.
Convert this colour to another format →
CSS/web-standard named colour value.
vs. white text
10.95:1 — AAA
vs. black text
1.92:1 — fails
Confidence: medium · Qualification: identity_only, technically_qualified, curated_profile_eligible, search_index_eligible, comparison_eligible
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