#831D22

Closest named color: Dark Red (#8B0000). oklch(40.4% 0.137 23.5), rgb(131, 29, 34).

Aa

White text reads best on this color (9.70:1).

About this color

#831D22 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.137 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.032 away. White text reads best on it, at 9.70:1.

Hue familyReds
Lightnessdark (40%)
Chromamoderately saturated (0.137)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.16:1
White text9.70:1

Values

HEX#831D22
RGBrgb(131, 29, 34)
HSLhsl(357, 64%, 31%)
OKLCHoklch(40.4% 0.137 23.5)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #831D22 9.70:1 AAA Lc -95.6 Preferred for body text
Black text on #831D22 2.16:1 Fails Lc 12.7 Not readable
#831D22 text on white 9.70:1 AAA Lc 91.2 Preferred for body text
#831D22 text on black 2.16:1 Fails Lc -11.1 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #F9E4E2

    oklch(93.5% 0.023 24.1)

  3. Step 200

    200

    #F5CECB

    oklch(88.4% 0.044 23.2)

  4. Step 300

    300

    #F0ADA8

    oklch(80.9% 0.08 23.8)

  5. Step 400

    400

    #E57E7A

    oklch(70.6% 0.128 23.2)

  6. Step 500

    500

    #DB5958

    oklch(63.1% 0.164 23.4)

  7. Step 600

    600

    #C6393D

    oklch(55.6% 0.178 23.6)

  8. Step 700

    700

    #AB2930

    oklch(49.1% 0.166 23.2)

  9. Step 800

    800 (this color)

    #831D22

    oklch(40.4% 0.137 23.5)

  10. Step 900

    900

    #6F2425

    oklch(37.6% 0.107 23.1)

  11. Step 950

    950

    #421716

    oklch(27.1% 0.067 23.9)

Export this scale for Tailwind in the Tailwind colors tool

#831D22 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3B36210.149
Deuteranopia (no green cones)#554C1F0.135
Tritanopia (no blue cones)#9100200.033
Achromatopsia (no color)#4444440.138

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #831D22

    #831D22

    oklch(40.4% 0.137 23.5)

  • #00535A

    #00535A

    oklch(40.3% 0.069 204.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #831D22

    #831D22

    oklch(40.4% 0.137 23.5)

  • #7C1E4E

    #7C1E4E

    oklch(40.4% 0.136 353.8)

  • #723600

    #723600

    oklch(40.5% 0.102 53.4)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #831D22

    #831D22

    oklch(40.4% 0.137 23.5)

  • #005645

    #005645

    oklch(40.4% 0.077 173.4)

  • #004F6F

    #004F6F

    oklch(40.3% 0.085 234.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #831D22

    #831D22

    oklch(40.4% 0.137 23.5)

  • #005A09

    #005A09

    oklch(40.6% 0.134 143.5)

  • #204391

    #204391

    oklch(40.5% 0.135 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #831D22

    #831D22

    oklch(40.4% 0.137 23.5)

  • #494D00

    #494D00

    oklch(40.3% 0.09 113.2)

  • #00535A

    #00535A

    oklch(40.3% 0.069 204.7)

  • #4E348A

    #4E348A

    oklch(40.3% 0.137 293.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #831D22, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #831D22 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.