#89180B

Closest named color: Brick Red (#8F1402). oklch(40.9% 0.15 30.6), rgb(137, 24, 11).

Aa

White text reads best on this color (9.54:1).

About this color

#89180B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.150 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.013 away. White text reads best on it, at 9.54:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.150)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.19:1
White text9.54:1

Values

HEX#89180B
RGBrgb(137, 24, 11)
HSLhsl(6, 85%, 29%)
OKLCHoklch(40.9% 0.15 30.6)

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 #89180B 9.54:1 AAA Lc -95.0 Preferred for body text
Black text on #89180B 2.19:1 Fails Lc 13.4 Not readable
#89180B text on white 9.54:1 AAA Lc 90.5 Preferred for body text
#89180B text on black 2.19:1 Fails Lc -11.8 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

    #FAE4E0

    oklch(93.6% 0.025 29.9)

  3. Step 200

    200

    #F8CEC6

    oklch(88.5% 0.049 30.7)

  4. Step 300

    300

    #F4AC9F

    oklch(81% 0.087 30.5)

  5. Step 400

    400

    #EB7C6A

    oklch(70.7% 0.14 30.5)

  6. Step 500

    500

    #E15441

    oklch(63.1% 0.179 30.4)

  7. Step 600

    600

    #CC311F

    oklch(55.6% 0.194 30.5)

  8. Step 700

    700

    #B02110

    oklch(49.1% 0.18 30.7)

  9. Step 800

    800 (this color)

    #89180B

    oklch(40.9% 0.15 30.6)

  10. Step 900

    900

    #732117

    oklch(37.7% 0.117 30.3)

  11. Step 950

    950

    #44150E

    oklch(27% 0.074 30.9)

Export this scale for Tailwind in the Tailwind colors tool

#89180B 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)#3D35070.161
Deuteranopia (no green cones)#594E020.144
Tritanopia (no blue cones)#9800170.035
Achromatopsia (no color)#4545450.151

Harmonies

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

Complementary

The opposite hue (180°).

  • #89180B

    #89180B

    oklch(40.9% 0.15 30.6)

  • #005460

    #005460

    oklch(40.9% 0.071 211.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #89180B

    #89180B

    oklch(40.9% 0.15 30.6)

  • #851446

    #851446

    oklch(41% 0.15 0.6)

  • #6E3B00

    #6E3B00

    oklch(40.8% 0.095 60.3)

Open the analogous palette in the generator

Split complementary

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

  • #89180B

    #89180B

    oklch(40.9% 0.15 30.6)

  • #00574C

    #00574C

    oklch(40.9% 0.074 180.4)

  • #004F78

    #004F78

    oklch(40.9% 0.095 240.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #89180B

    #89180B

    oklch(40.9% 0.15 30.6)

  • #005A27

    #005A27

    oklch(40.9% 0.111 150.4)

  • #2E3E9A

    #2E3E9A

    oklch(40.9% 0.151 270.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #89180B

    #89180B

    oklch(40.9% 0.15 30.6)

  • #435100

    #435100

    oklch(40.8% 0.097 120.4)

  • #005460

    #005460

    oklch(40.9% 0.071 211.3)

  • #592E8D

    #592E8D

    oklch(40.9% 0.151 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #89180B, closest first.

Similar named colors

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

Use #89180B 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.