#89101A

Closest named color: Dark Red (#8B0000). oklch(40.5% 0.153 24.4), rgb(137, 16, 26).

Aa

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

About this color

#89101A 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 0.018 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#89101A
RGBrgb(137, 16, 26)
HSLhsl(355, 79%, 30%)
OKLCHoklch(40.5% 0.153 24.4)

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

    #F5AAA4

    oklch(80.8% 0.089 24.3)

  5. Step 400

    400

    #EC7973

    oklch(70.6% 0.143 24.4)

  6. Step 500

    500

    #E3504F

    oklch(63.1% 0.183 24.4)

  7. Step 600

    600

    #CE2A33

    oklch(55.6% 0.199 24.2)

  8. Step 700

    700

    #B21925

    oklch(49.1% 0.185 24.5)

  9. Step 800

    800 (this color)

    #89101A

    oklch(40.5% 0.153 24.4)

  10. Step 900

    900

    #741E1F

    oklch(37.6% 0.12 24.4)

  11. Step 950

    950

    #441413

    oklch(27% 0.075 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#89101A 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)#3934190.169
Deuteranopia (no green cones)#564D150.153
Tritanopia (no blue cones)#9800160.031
Achromatopsia (no color)#4444440.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #89101A

    #89101A

    oklch(40.5% 0.153 24.4)

  • #00545A

    #00545A

    oklch(40.6% 0.069 203.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #89101A

    #89101A

    oklch(40.5% 0.153 24.4)

  • #82124E

    #82124E

    oklch(40.6% 0.153 354.5)

  • #713700

    #713700

    oklch(40.5% 0.101 54.8)

Open the analogous palette in the generator

Split complementary

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

  • #89101A

    #89101A

    oklch(40.5% 0.153 24.4)

  • #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.

  • #89101A

    #89101A

    oklch(40.5% 0.153 24.4)

  • #005A10

    #005A10

    oklch(40.6% 0.13 144.4)

  • #1D409A

    #1D409A

    oklch(40.5% 0.153 264.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #89101A

    #89101A

    oklch(40.5% 0.153 24.4)

  • #484E00

    #484E00

    oklch(40.5% 0.091 114.7)

  • #00545A

    #00545A

    oklch(40.6% 0.069 203.2)

  • #512F91

    #512F91

    oklch(40.4% 0.153 294.5)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #89101A 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.