#90555C

Closest named color: Dark Mauve (#874C62). oklch(51.9% 0.079 12.5), rgb(144, 85, 92).

Aa

White text reads best on this color (5.76:1).

About this color

#90555C is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.079 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.035 away. White text reads best on it, at 5.76:1.

Hue familyReds
Lightnessmedium-dark (52%)
Chromamoderately saturated (0.079)
Temperaturewarm
Nearest nameDark Mauve (#874C62)
Black text3.63:1
White text5.76:1

Values

HEX#90555C
RGBrgb(144, 85, 92)
HSLhsl(353, 26%, 45%)
OKLCHoklch(51.9% 0.079 12.5)

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 #90555C 5.76:1 AA Lc -83.9 Fine for body text
Black text on #90555C 3.63:1 AA large text Lc 25.4 Dividers and decoration only
#90555C text on white 5.76:1 AA Lc 78.7 Fine for body text
#90555C text on black 3.63:1 AA large text Lc -23.1 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F9F4F4

    oklch(97.1% 0.005 17.2)

  2. Step 100

    100

    #F1E7E8

    oklch(93.6% 0.011 10.3)

  3. Step 200

    200

    #E7D4D5

    oklch(88.6% 0.021 13.9)

  4. Step 300

    300

    #D8B7BA

    oklch(80.9% 0.038 11.8)

  5. Step 400

    400

    #C39196

    oklch(70.6% 0.061 12.1)

  6. Step 500

    500

    #B3767C

    oklch(63.1% 0.077 13.1)

  7. Step 600

    600

    #9E5E66

    oklch(55.6% 0.084 12.1)

  8. Step 700

    700 (this color)

    #90555C

    oklch(51.9% 0.079 12.5)

  9. Step 800

    800

    #6E3F45

    oklch(42.6% 0.066 12)

  10. Step 900

    900

    #59363A

    oklch(37.6% 0.051 12.3)

  11. Step 950

    950

    #342022

    oklch(27% 0.031 12.8)

Export this scale for Tailwind in the Tailwind colors tool

#90555C 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)#605F5C0.085
Deuteranopia (no green cones)#6E6A5B0.079
Tritanopia (no blue cones)#9A4F580.021
Achromatopsia (no color)#6666660.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #90555C

    #90555C

    oklch(51.9% 0.079 12.5)

  • #217775

    #217775

    oklch(52% 0.079 192.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90555C

    #90555C

    oklch(51.9% 0.079 12.5)

  • #885675

    #885675

    oklch(51.9% 0.079 342.4)

  • #8F5943

    #8F5943

    oklch(51.9% 0.079 42.8)

Open the analogous palette in the generator

Split complementary

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

  • #90555C

    #90555C

    oklch(51.9% 0.079 12.5)

  • #39775B

    #39775B

    oklch(52% 0.079 162.3)

  • #2A7289

    #2A7289

    oklch(51.7% 0.079 222.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90555C

    #90555C

    oklch(51.9% 0.079 12.5)

  • #577242

    #577242

    oklch(51.8% 0.078 132.5)

  • #466B95

    #466B95

    oklch(51.8% 0.079 252.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90555C

    #90555C

    oklch(51.9% 0.079 12.5)

  • #716A31

    #716A31

    oklch(51.8% 0.078 102.4)

  • #217775

    #217775

    oklch(52% 0.079 192.7)

  • #626395

    #626395

    oklch(52% 0.078 282.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90555C, closest first.

Similar named colors

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

Use #90555C 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.