#900E4B

Closest named color: Mulberry (#920A4E). oklch(42.9% 0.165 0.4), rgb(144, 14, 75).

Aa

White text reads best on this color (8.93:1).

About this color

#900E4B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.165 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.007 away. White text reads best on it, at 8.93:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.165)
Temperaturewarm
Nearest nameMulberry (#920A4E)
Black text2.35:1
White text8.93:1

Values

HEX#900E4B
RGBrgb(144, 14, 75)
HSLhsl(332, 82%, 31%)
OKLCHoklch(42.9% 0.165 0.4)

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 #900E4B 8.93:1 AAA Lc -93.3 Preferred for body text
Black text on #900E4B 2.35:1 Fails Lc 15.3 Dividers and decoration only
#900E4B text on white 8.93:1 AAA Lc 88.7 Fine for body text
#900E4B text on black 2.35:1 Fails Lc -13.5 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

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F9CBD7

    oklch(88.5% 0.054 0.8)

  4. Step 300

    300

    #F5A7BD

    oklch(81% 0.096 1)

  5. Step 400

    400

    #EC739C

    oklch(70.8% 0.155 0.4)

  6. Step 500

    500

    #E24684

    oklch(63.2% 0.198 0.3)

  7. Step 600

    600

    #CD186D

    oklch(55.6% 0.214 0.5)

  8. Step 700

    700

    #B0005B

    oklch(49% 0.199 0.4)

  9. Step 800

    800 (this color)

    #900E4B

    oklch(42.9% 0.165 0.4)

  10. Step 900

    900

    #73183E

    oklch(37.6% 0.128 0.4)

  11. Step 950

    950

    #441124

    oklch(27% 0.08 1.2)

Export this scale for Tailwind in the Tailwind colors tool

#900E4B 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)#333A4C0.187
Deuteranopia (no green cones)#5552480.167
Tritanopia (no blue cones)#9D002D0.052
Achromatopsia (no color)#4949490.167

Harmonies

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

Complementary

The opposite hue (180°).

  • #900E4B

    #900E4B

    oklch(42.9% 0.165 0.4)

  • #005D51

    #005D51

    oklch(42.9% 0.078 180)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #900E4B

    #900E4B

    oklch(42.9% 0.165 0.4)

  • #7E1F78

    #7E1F78

    oklch(42.9% 0.164 330.8)

  • #951305

    #951305

    oklch(42.9% 0.165 30.5)

Open the analogous palette in the generator

Split complementary

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

  • #900E4B

    #900E4B

    oklch(42.9% 0.165 0.4)

  • #00602A

    #00602A

    oklch(42.8% 0.117 150.4)

  • #005A66

    #005A66

    oklch(42.9% 0.074 210.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #900E4B

    #900E4B

    oklch(42.9% 0.165 0.4)

  • #485700

    #485700

    oklch(42.9% 0.102 120.5)

  • #005580

    #005580

    oklch(42.9% 0.099 240.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #900E4B

    #900E4B

    oklch(42.9% 0.165 0.4)

  • #624D00

    #624D00

    oklch(43% 0.088 90.6)

  • #005D51

    #005D51

    oklch(42.9% 0.078 180)

  • #3041A8

    #3041A8

    oklch(42.8% 0.165 270.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #900E4B, closest first.

Similar named colors

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

Use #900E4B 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.