#90133D

Closest named color: Red Wine (#8C0034). oklch(42.7% 0.158 8.7), rgb(144, 19, 61).

Aa

White text reads best on this color (8.94:1).

About this color

#90133D is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.158 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.020 away. White text reads best on it, at 8.94:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.34:1
White text8.94:1

Values

HEX#90133D
RGBrgb(144, 19, 61)
HSLhsl(340, 77%, 32%)
OKLCHoklch(42.7% 0.158 8.7)

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 #90133D 8.94:1 AAA Lc -93.4 Preferred for body text
Black text on #90133D 2.34:1 Fails Lc 15.1 Dividers and decoration only
#90133D text on white 8.94:1 AAA Lc 88.9 Fine for body text
#90133D text on black 2.34:1 Fails Lc -13.3 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

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FBE3E6

    oklch(93.6% 0.027 9)

  3. Step 200

    200

    #F9CCD2

    oklch(88.6% 0.051 9.2)

  4. Step 300

    300

    #F5A8B4

    oklch(80.9% 0.092 9.1)

  5. Step 400

    400

    #EC758E

    oklch(70.6% 0.148 8.4)

  6. Step 500

    500

    #E24A72

    oklch(63.1% 0.189 8.6)

  7. Step 600

    600

    #CD205A

    oklch(55.5% 0.205 8.7)

  8. Step 700

    700

    #B10C4A

    oklch(49.1% 0.191 8.7)

  9. Step 800

    800 (this color)

    #90133D

    oklch(42.7% 0.158 8.7)

  10. Step 900

    900

    #741B34

    oklch(37.8% 0.123 8.9)

  11. Step 950

    950

    #44121F

    oklch(27% 0.077 8.2)

Export this scale for Tailwind in the Tailwind colors tool

#90133D 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)#383A3E0.179
Deuteranopia (no green cones)#58523A0.161
Tritanopia (no blue cones)#9E00270.040
Achromatopsia (no color)#4949490.160

Harmonies

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

Complementary

The opposite hue (180°).

  • #90133D

    #90133D

    oklch(42.7% 0.158 8.7)

  • #005C57

    #005C57

    oklch(42.8% 0.074 188.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90133D

    #90133D

    oklch(42.7% 0.158 8.7)

  • #821E6B

    #821E6B

    oklch(42.8% 0.158 339)

  • #8A2A00

    #8A2A00

    oklch(42.8% 0.138 38.8)

Open the analogous palette in the generator

Split complementary

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

  • #90133D

    #90133D

    oklch(42.7% 0.158 8.7)

  • #005F3A

    #005F3A

    oklch(42.8% 0.099 158.5)

  • #00596B

    #00596B

    oklch(42.8% 0.077 217.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90133D

    #90133D

    oklch(42.7% 0.158 8.7)

  • #3C5A00

    #3C5A00

    oklch(42.8% 0.113 128.5)

  • #00518B

    #00518B

    oklch(42.6% 0.117 248.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90133D

    #90133D

    oklch(42.7% 0.158 8.7)

  • #5C4F00

    #5C4F00

    oklch(42.8% 0.088 98.3)

  • #005C57

    #005C57

    oklch(42.8% 0.074 188.4)

  • #413DA2

    #413DA2

    oklch(42.7% 0.158 279.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90133D, closest first.

Similar named colors

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

Use #90133D 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.