#891F18

Closest named color: Brick Red (#8F1402). oklch(41.6% 0.143 28.7), rgb(137, 31, 24).

Aa

White text reads best on this color (9.23:1).

About this color

#891F18 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.143 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.018 away. White text reads best on it, at 9.23:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.143)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.27:1
White text9.23:1

Values

HEX#891F18
RGBrgb(137, 31, 24)
HSLhsl(4, 70%, 32%)
OKLCHoklch(41.6% 0.143 28.7)

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 #891F18 9.23:1 AAA Lc -94.5 Preferred for body text
Black text on #891F18 2.27:1 Fails Lc 14.0 Not readable
#891F18 text on white 9.23:1 AAA Lc 90.0 Preferred for body text
#891F18 text on black 2.27:1 Fails Lc -12.3 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

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F6CEC8

    oklch(88.4% 0.046 28)

  4. Step 300

    300

    #F2ADA2

    oklch(81% 0.083 29.1)

  5. Step 400

    400

    #E87E70

    oklch(70.8% 0.133 28.7)

  6. Step 500

    500

    #DD584A

    oklch(63.1% 0.169 28.8)

  7. Step 600

    600

    #C9362C

    oklch(55.6% 0.185 28.6)

  8. Step 700

    700

    #AD271E

    oklch(49.1% 0.172 28.9)

  9. Step 800

    800 (this color)

    #891F18

    oklch(41.6% 0.143 28.7)

  10. Step 900

    900

    #71231C

    oklch(37.6% 0.112 28.6)

  11. Step 950

    950

    #431611

    oklch(27.1% 0.071 28.9)

Export this scale for Tailwind in the Tailwind colors tool

#891F18 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)#4039160.152
Deuteranopia (no green cones)#5A50130.139
Tritanopia (no blue cones)#97001F0.037
Achromatopsia (no color)#4747470.144

Harmonies

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

Complementary

The opposite hue (180°).

  • #891F18

    #891F18

    oklch(41.6% 0.143 28.7)

  • #005661

    #005661

    oklch(41.5% 0.072 209.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #891F18

    #891F18

    oklch(41.6% 0.143 28.7)

  • #841D4B

    #841D4B

    oklch(41.7% 0.143 358.5)

  • #723C00

    #723C00

    oklch(41.6% 0.098 59)

Open the analogous palette in the generator

Split complementary

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

  • #891F18

    #891F18

    oklch(41.6% 0.143 28.7)

  • #00594D

    #00594D

    oklch(41.6% 0.076 179.5)

  • #005279

    #005279

    oklch(41.7% 0.093 238.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #891F18

    #891F18

    oklch(41.6% 0.143 28.7)

  • #005D23

    #005D23

    oklch(41.7% 0.119 148.5)

  • #2D4398

    #2D4398

    oklch(41.7% 0.142 268.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #891F18

    #891F18

    oklch(41.6% 0.143 28.7)

  • #475300

    #475300

    oklch(41.7% 0.098 118.9)

  • #005661

    #005661

    oklch(41.5% 0.072 209.7)

  • #58348D

    #58348D

    oklch(41.7% 0.142 298.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #891F18, closest first.

Similar named colors

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

Use #891F18 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.