#891B1B

Closest named color: Brick Red (#8F1402). oklch(41.3% 0.145 26.4), rgb(137, 27, 27).

Aa

White text reads best on this color (9.39:1).

About this color

#891B1B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.019 away. White text reads best on it, at 9.39:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.23:1
White text9.39:1

Values

HEX#891B1B
RGBrgb(137, 27, 27)
HSLhsl(0, 67%, 32%)
OKLCHoklch(41.3% 0.145 26.4)

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 #891B1B 9.39:1 AAA Lc -94.7 Preferred for body text
Black text on #891B1B 2.23:1 Fails Lc 13.7 Not readable
#891B1B text on white 9.39:1 AAA Lc 90.3 Preferred for body text
#891B1B text on black 2.23:1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F7CEC9

    oklch(88.5% 0.047 26.2)

  4. Step 300

    300

    #F3ACA4

    oklch(81% 0.085 26.3)

  5. Step 400

    400

    #E97C72

    oklch(70.6% 0.136 26.5)

  6. Step 500

    500

    #DF554E

    oklch(63.1% 0.174 26.2)

  7. Step 600

    600

    #CA3331

    oklch(55.6% 0.188 26.4)

  8. Step 700

    700

    #AF2324

    oklch(49.2% 0.176 26.3)

  9. Step 800

    800 (this color)

    #891B1B

    oklch(41.3% 0.145 26.4)

  10. Step 900

    900

    #72221F

    oklch(37.7% 0.113 26.2)

  11. Step 950

    950

    #431513

    oklch(26.9% 0.072 25.6)

Export this scale for Tailwind in the Tailwind colors tool

#891B1B 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)#3D371A0.158
Deuteranopia (no green cones)#594F160.143
Tritanopia (no blue cones)#97001D0.032
Achromatopsia (no color)#4646460.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #891B1B

    #891B1B

    oklch(41.3% 0.145 26.4)

  • #00565E

    #00565E

    oklch(41.4% 0.071 205.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #891B1B

    #891B1B

    oklch(41.3% 0.145 26.4)

  • #831A4D

    #831A4D

    oklch(41.3% 0.146 356.4)

  • #733A00

    #733A00

    oklch(41.4% 0.101 56.5)

Open the analogous palette in the generator

Split complementary

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

  • #891B1B

    #891B1B

    oklch(41.3% 0.145 26.4)

  • #00584A

    #00584A

    oklch(41.2% 0.076 177)

  • #005175

    #005175

    oklch(41.2% 0.09 236.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #891B1B

    #891B1B

    oklch(41.3% 0.145 26.4)

  • #005C1B

    #005C1B

    oklch(41.3% 0.125 146.4)

  • #264299

    #264299

    oklch(41.2% 0.146 266.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #891B1B

    #891B1B

    oklch(41.3% 0.145 26.4)

  • #495100

    #495100

    oklch(41.3% 0.095 116.1)

  • #00565E

    #00565E

    oklch(41.4% 0.071 205.7)

  • #55338F

    #55338F

    oklch(41.3% 0.145 296.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #891B1B, closest first.

Similar named colors

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

Use #891B1B 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.