#90184B

Closest named color: Mulberry (#920A4E). oklch(43.5% 0.158 1.5), rgb(144, 24, 75).

Aa

White text reads best on this color (8.68:1).

About this color

#90184B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.158 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.014 away. White text reads best on it, at 8.68:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameMulberry (#920A4E)
Black text2.41:1
White text8.68:1

Values

HEX#90184B
RGBrgb(144, 24, 75)
HSLhsl(335, 71%, 33%)
OKLCHoklch(43.5% 0.158 1.5)

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 #90184B 8.68:1 AAA Lc -92.9 Preferred for body text
Black text on #90184B 2.41:1 Fails Lc 15.7 Dividers and decoration only
#90184B text on white 8.68:1 AAA Lc 88.3 Fine for body text
#90184B text on black 2.41:1 Fails Lc -13.9 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F7CCD7

    oklch(88.5% 0.05 1.1)

  4. Step 300

    300

    #F3A8BC

    oklch(80.9% 0.091 1.9)

  5. Step 400

    400

    #E9769A

    oklch(70.7% 0.146 1.7)

  6. Step 500

    500

    #DF4B82

    oklch(63.1% 0.189 1.3)

  7. Step 600

    600

    #CA236B

    oklch(55.6% 0.205 1.5)

  8. Step 700

    700

    #AE1059

    oklch(49.1% 0.19 1.6)

  9. Step 800

    800 (this color)

    #90184B

    oklch(43.5% 0.158 1.5)

  10. Step 900

    900

    #721B3D

    oklch(37.7% 0.123 1.5)

  11. Step 950

    950

    #431224

    oklch(27% 0.078 1.1)

Export this scale for Tailwind in the Tailwind colors tool

#90184B 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)#373D4C0.178
Deuteranopia (no green cones)#5754480.161
Tritanopia (no blue cones)#9D00300.046
Achromatopsia (no color)#4B4B4B0.159

Harmonies

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

Complementary

The opposite hue (180°).

  • #90184B

    #90184B

    oklch(43.5% 0.158 1.5)

  • #005F54

    #005F54

    oklch(43.5% 0.078 181.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90184B

    #90184B

    oklch(43.5% 0.158 1.5)

  • #7F2477

    #7F2477

    oklch(43.5% 0.158 331.7)

  • #941C0A

    #941C0A

    oklch(43.4% 0.158 31.4)

Open the analogous palette in the generator

Split complementary

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

  • #90184B

    #90184B

    oklch(43.5% 0.158 1.5)

  • #00622E

    #00622E

    oklch(43.4% 0.115 151.5)

  • #005C69

    #005C69

    oklch(43.5% 0.076 211.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90184B

    #90184B

    oklch(43.5% 0.158 1.5)

  • #485900

    #485900

    oklch(43.4% 0.105 121.6)

  • #005684

    #005684

    oklch(43.4% 0.103 241.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90184B

    #90184B

    oklch(43.5% 0.158 1.5)

  • #634F00

    #634F00

    oklch(43.6% 0.089 92)

  • #005F54

    #005F54

    oklch(43.5% 0.078 181.4)

  • #3544A6

    #3544A6

    oklch(43.5% 0.158 271.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90184B, closest first.

Similar named colors

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

Use #90184B 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.