#90272B

Closest named color: Auburn (#9B2226). oklch(44% 0.14 23.1), rgb(144, 39, 43).

Aa

White text reads best on this color (8.36:1).

About this color

#90272B is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.140 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.022 away. White text reads best on it, at 8.36:1.

Hue familyReds
Lightnessdark (44%)
Chromavivid (0.140)
Temperaturewarm
Nearest nameAuburn (#9B2226)
Black text2.51:1
White text8.36:1

Values

HEX#90272B
RGBrgb(144, 39, 43)
HSLhsl(358, 57%, 36%)
OKLCHoklch(44% 0.14 23.1)

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 #90272B 8.36:1 AAA Lc -92.4 Preferred for body text
Black text on #90272B 2.51:1 Fails Lc 16.3 Dividers and decoration only
#90272B text on white 8.36:1 AAA Lc 87.8 Fine for body text
#90272B text on black 2.51:1 Fails Lc -14.4 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

    #F6CECB

    oklch(88.5% 0.046 23.1)

  4. Step 300

    300

    #F1ACA8

    oklch(80.9% 0.082 22.8)

  5. Step 400

    400

    #E77D79

    oklch(70.7% 0.132 23.2)

  6. Step 500

    500

    #DC5757

    oklch(63% 0.167 23.2)

  7. Step 600

    600

    #C8363D

    oklch(55.7% 0.182 23)

  8. Step 700

    700

    #AC262F

    oklch(49% 0.17 23)

  9. Step 800

    800 (this color)

    #90272B

    oklch(44% 0.14 23.1)

  10. Step 900

    900

    #702324

    oklch(37.6% 0.109 23.3)

  11. Step 950

    950

    #421616

    oklch(27% 0.069 22.8)

Export this scale for Tailwind in the Tailwind colors tool

#90272B 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)#453F2A0.151
Deuteranopia (no green cones)#5F56280.139
Tritanopia (no blue cones)#9E022A0.039
Achromatopsia (no color)#4E4E4E0.141

Harmonies

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

Complementary

The opposite hue (180°).

  • #90272B

    #90272B

    oklch(44% 0.14 23.1)

  • #005E65

    #005E65

    oklch(43.9% 0.075 203.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90272B

    #90272B

    oklch(44% 0.14 23.1)

  • #892759

    #892759

    oklch(44% 0.141 353.1)

  • #803D00

    #803D00

    oklch(43.9% 0.111 53)

Open the analogous palette in the generator

Split complementary

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

  • #90272B

    #90272B

    oklch(44% 0.14 23.1)

  • #00614E

    #00614E

    oklch(43.9% 0.084 173.2)

  • #005A7C

    #005A7C

    oklch(44% 0.091 232.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90272B

    #90272B

    oklch(44% 0.14 23.1)

  • #0B6410

    #0B6410

    oklch(43.8% 0.139 143.2)

  • #274D9F

    #274D9F

    oklch(44.1% 0.14 263.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90272B

    #90272B

    oklch(44% 0.14 23.1)

  • #535800

    #535800

    oklch(44.1% 0.099 113.5)

  • #005E65

    #005E65

    oklch(43.9% 0.075 203.7)

  • #583E97

    #583E97

    oklch(44% 0.14 293.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90272B, closest first.

Similar named colors

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

Use #90272B 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.