#85181B

Closest named color: Dark Red (#8B0000). oklch(40.3% 0.144 25.4), rgb(133, 24, 27).

Aa

White text reads best on this color (9.79:1).

About this color

#85181B is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.144 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.023 away. White text reads best on it, at 9.79:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.144)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.14:1
White text9.79:1

Values

HEX#85181B
RGBrgb(133, 24, 27)
HSLhsl(358, 69%, 31%)
OKLCHoklch(40.3% 0.144 25.4)

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 #85181B 9.79:1 AAA Lc -95.6 Preferred for body text
Black text on #85181B 2.14:1 Fails Lc 12.7 Not readable
#85181B text on white 9.79:1 AAA Lc 91.3 Preferred for body text
#85181B text on black 2.14:1 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

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CEC9

    oklch(88.5% 0.047 26.2)

  4. Step 300

    300

    #F2ACA5

    oklch(80.9% 0.084 25.5)

  5. Step 400

    400

    #E87D75

    oklch(70.7% 0.133 25.5)

  6. Step 500

    500

    #DE5651

    oklch(63.1% 0.171 25.4)

  7. Step 600

    600

    #CA3435

    oklch(55.7% 0.187 25.4)

  8. Step 700

    700

    #AE2427

    oklch(49.1% 0.174 25.5)

  9. Step 800

    800 (this color)

    #85181B

    oklch(40.3% 0.144 25.4)

  10. Step 900

    900

    #712220

    oklch(37.6% 0.112 25.6)

  11. Step 950

    950

    #431514

    oklch(27% 0.072 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#85181B 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)#3B351A0.156
Deuteranopia (no green cones)#554C160.143
Tritanopia (no blue cones)#93001B0.031
Achromatopsia (no color)#4444440.145

Harmonies

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

Complementary

The opposite hue (180°).

  • #85181B

    #85181B

    oklch(40.3% 0.144 25.4)

  • #00535A

    #00535A

    oklch(40.3% 0.069 204.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #85181B

    #85181B

    oklch(40.3% 0.144 25.4)

  • #7F184C

    #7F184C

    oklch(40.4% 0.144 355.4)

  • #703700

    #703700

    oklch(40.3% 0.1 55.3)

Open the analogous palette in the generator

Split complementary

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

  • #85181B

    #85181B

    oklch(40.3% 0.144 25.4)

  • #005546

    #005546

    oklch(40.1% 0.075 175.4)

  • #004F70

    #004F70

    oklch(40.4% 0.086 235.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #85181B

    #85181B

    oklch(40.3% 0.144 25.4)

  • #005915

    #005915

    oklch(40.3% 0.126 145.3)

  • #224095

    #224095

    oklch(40.3% 0.144 265.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #85181B

    #85181B

    oklch(40.3% 0.144 25.4)

  • #474E00

    #474E00

    oklch(40.4% 0.092 115.5)

  • #00535A

    #00535A

    oklch(40.3% 0.069 204.7)

  • #51318C

    #51318C

    oklch(40.3% 0.144 295.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #85181B, closest first.

Similar named colors

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

Use #85181B 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.