#891B1F

Closest named color: Brick Red (#8F1402). oklch(41.3% 0.145 24.7), rgb(137, 27, 31).

Aa

White text reads best on this color (9.37:1).

About this color

#891B1F is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.023 away. White text reads best on it, at 9.37:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.24:1
White text9.37:1

Values

HEX#891B1F
RGBrgb(137, 27, 31)
HSLhsl(358, 67%, 32%)
OKLCHoklch(41.3% 0.145 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 #891B1F 9.37:1 AAA Lc -94.7 Preferred for body text
Black text on #891B1F 2.24:1 Fails Lc 13.7 Not readable
#891B1F text on white 9.37:1 AAA Lc 90.3 Preferred for body text
#891B1F text on black 2.24:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CECA

    oklch(88.5% 0.047 24.6)

  4. Step 300

    300

    #F3ACA5

    oklch(81% 0.085 25.4)

  5. Step 400

    400

    #E97C75

    oklch(70.7% 0.136 24.9)

  6. Step 500

    500

    #DF5552

    oklch(63.2% 0.173 24.6)

  7. Step 600

    600

    #CA3236

    oklch(55.5% 0.188 24.6)

  8. Step 700

    700

    #AE2229

    oklch(49% 0.175 24.5)

  9. Step 800

    800 (this color)

    #891B1F

    oklch(41.3% 0.145 24.7)

  10. Step 900

    900

    #722221

    oklch(37.8% 0.113 24.9)

  11. Step 950

    950

    #431514

    oklch(27% 0.072 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#891B1F 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)#3D371E0.158
Deuteranopia (no green cones)#584F1B0.144
Tritanopia (no blue cones)#97001E0.031
Achromatopsia (no color)#4646460.146

Harmonies

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

Complementary

The opposite hue (180°).

  • #891B1F

    #891B1F

    oklch(41.3% 0.145 24.7)

  • #00565D

    #00565D

    oklch(41.3% 0.07 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #891B1F

    #891B1F

    oklch(41.3% 0.145 24.7)

  • #821B50

    #821B50

    oklch(41.3% 0.145 354.4)

  • #743900

    #743900

    oklch(41.3% 0.102 55.1)

Open the analogous palette in the generator

Split complementary

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

  • #891B1F

    #891B1F

    oklch(41.3% 0.145 24.7)

  • #005949

    #005949

    oklch(41.4% 0.078 175)

  • #005273

    #005273

    oklch(41.3% 0.087 234.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #891B1F

    #891B1F

    oklch(41.3% 0.145 24.7)

  • #005C13

    #005C13

    oklch(41.3% 0.131 144.8)

  • #224399

    #224399

    oklch(41.3% 0.146 264.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #891B1F

    #891B1F

    oklch(41.3% 0.145 24.7)

  • #4A5100

    #4A5100

    oklch(41.4% 0.094 115.4)

  • #00565D

    #00565D

    oklch(41.3% 0.07 204.4)

  • #533490

    #533490

    oklch(41.3% 0.145 294.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #891B1F, closest first.

Similar named colors

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

Use #891B1F 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.