#8B131B

Closest named color: Dark Red (#8B0000). oklch(41.1% 0.153 24.7), rgb(139, 19, 27).

Aa

White text reads best on this color (9.51:1).

About this color

#8B131B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.153 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.020 away. White text reads best on it, at 9.51:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.153)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.20:1
White text9.51:1

Values

HEX#8B131B
RGBrgb(139, 19, 27)
HSLhsl(356, 76%, 31%)
OKLCHoklch(41.1% 0.153 24.7)

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 #8B131B 9.51:1 AAA Lc -94.8 Preferred for body text
Black text on #8B131B 2.20:1 Fails Lc 13.6 Not readable
#8B131B text on white 9.51:1 AAA Lc 90.3 Preferred for body text
#8B131B text on black 2.20:1 Fails Lc -12.0 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F9CDC9

    oklch(88.5% 0.05 24.2)

  4. Step 300

    300

    #F5AAA4

    oklch(80.8% 0.089 24.3)

  5. Step 400

    400

    #EC7973

    oklch(70.6% 0.143 24.4)

  6. Step 500

    500

    #E3504E

    oklch(63.1% 0.183 24.7)

  7. Step 600

    600

    #CE2A32

    oklch(55.6% 0.199 24.5)

  8. Step 700

    700

    #B21924

    oklch(49.1% 0.185 24.8)

  9. Step 800

    800 (this color)

    #8B131B

    oklch(41.1% 0.153 24.7)

  10. Step 900

    900

    #741F1F

    oklch(37.7% 0.119 24.9)

  11. Step 950

    950

    #441413

    oklch(27% 0.075 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#8B131B 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)#3B351A0.168
Deuteranopia (no green cones)#584F160.153
Tritanopia (no blue cones)#9A00180.031
Achromatopsia (no color)#4545450.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #8B131B

    #8B131B

    oklch(41.1% 0.153 24.7)

  • #00555C

    #00555C

    oklch(41% 0.07 204.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #8B131B

    #8B131B

    oklch(41.1% 0.153 24.7)

  • #84144F

    #84144F

    oklch(41.1% 0.153 354.8)

  • #733800

    #733800

    oklch(41% 0.102 54.7)

Open the analogous palette in the generator

Split complementary

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

  • #8B131B

    #8B131B

    oklch(41.1% 0.153 24.7)

  • #005848

    #005848

    oklch(41.1% 0.078 174.8)

  • #005172

    #005172

    oklch(41% 0.086 234.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #8B131B

    #8B131B

    oklch(41.1% 0.153 24.7)

  • #005C12

    #005C12

    oklch(41.2% 0.131 144.6)

  • #1F429C

    #1F429C

    oklch(41.2% 0.153 264.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #8B131B

    #8B131B

    oklch(41.1% 0.153 24.7)

  • #4A5000

    #4A5000

    oklch(41.2% 0.093 114.6)

  • #00555C

    #00555C

    oklch(41% 0.07 204.5)

  • #533193

    #533193

    oklch(41.1% 0.153 294.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #8B131B, closest first.

Similar named colors

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

Use #8B131B 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.