#89101B

Closest named color: Dark Red (#8B0000). oklch(40.5% 0.153 24), rgb(137, 16, 27).

Aa

White text reads best on this color (9.75:1).

About this color

#89101B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.153 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.019 away. White text reads best on it, at 9.75:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.153)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.15:1
White text9.75:1

Values

HEX#89101B
RGBrgb(137, 16, 27)
HSLhsl(355, 79%, 30%)
OKLCHoklch(40.5% 0.153 24)

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 #89101B 9.75:1 AAA Lc -95.2 Preferred for body text
Black text on #89101B 2.15:1 Fails Lc 13.1 Not readable
#89101B text on white 9.75:1 AAA Lc 90.8 Preferred for body text
#89101B text on black 2.15:1 Fails Lc -11.5 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

    #F5AAA5

    oklch(80.9% 0.089 23.5)

  5. Step 400

    400

    #EC7974

    oklch(70.6% 0.143 23.9)

  6. Step 500

    500

    #E35050

    oklch(63.2% 0.183 24)

  7. Step 600

    600

    #CE2A34

    oklch(55.6% 0.199 23.9)

  8. Step 700

    700

    #B21926

    oklch(49.1% 0.185 24.2)

  9. Step 800

    800 (this color)

    #89101B

    oklch(40.5% 0.153 24)

  10. Step 900

    900

    #741E20

    oklch(37.7% 0.12 23.8)

  11. Step 950

    950

    #441413

    oklch(27% 0.075 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#89101B 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)#39341A0.169
Deuteranopia (no green cones)#564D160.153
Tritanopia (no blue cones)#9700160.029
Achromatopsia (no color)#4444440.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #89101B

    #89101B

    oklch(40.5% 0.153 24)

  • #00545A

    #00545A

    oklch(40.6% 0.069 203.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #89101B

    #89101B

    oklch(40.5% 0.153 24)

  • #82124F

    #82124F

    oklch(40.6% 0.153 353.9)

  • #723700

    #723700

    oklch(40.7% 0.102 54.3)

Open the analogous palette in the generator

Split complementary

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

  • #89101B

    #89101B

    oklch(40.5% 0.153 24)

  • #005646

    #005646

    oklch(40.4% 0.077 174.5)

  • #005070

    #005070

    oklch(40.6% 0.085 233.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #89101B

    #89101B

    oklch(40.5% 0.153 24)

  • #005A0D

    #005A0D

    oklch(40.6% 0.132 144)

  • #1C409A

    #1C409A

    oklch(40.5% 0.153 264.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #89101B

    #89101B

    oklch(40.5% 0.153 24)

  • #494E00

    #494E00

    oklch(40.5% 0.091 113.9)

  • #00545A

    #00545A

    oklch(40.6% 0.069 203.2)

  • #513091

    #513091

    oklch(40.6% 0.152 294.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #89101B, closest first.

Similar named colors

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

Use #89101B 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.