#581B3A

Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.097 352.3), rgb(88, 27, 58).

Aa

White text reads best on this color (12.86:1).

About this color

#581B3A is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.046 away. White text reads best on it, at 12.86:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.097)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.63:1
White text12.86:1

Values

HEX#581B3A
RGBrgb(88, 27, 58)
HSLhsl(330, 53%, 23%)
OKLCHoklch(32.9% 0.097 352.3)

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 #581B3A 12.86:1 AAA Lc -101.8 Preferred for body text
Black text on #581B3A 1.63:1 Fails Lc 0.0 Not readable
#581B3A text on white 12.86:1 AAA Lc 98.4 Preferred for body text
#581B3A text on black 1.63:1 Fails Lc 0.0 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 900.

  1. Step 50

    50

    #FBF3F6

    oklch(97.1% 0.009 352.4)

  2. Step 100

    100

    #F6E4EB

    oklch(93.5% 0.022 351.9)

  3. Step 200

    200

    #F0CFDC

    oklch(88.6% 0.041 352.2)

  4. Step 300

    300

    #E6AEC5

    oklch(80.9% 0.072 352.4)

  5. Step 400

    400

    #D881A8

    oklch(70.7% 0.117 352.1)

  6. Step 500

    500

    #CB5F92

    oklch(63.2% 0.148 352.6)

  7. Step 600

    600

    #B6427D

    oklch(55.6% 0.162 352.1)

  8. Step 700

    700

    #9C3369

    oklch(49.1% 0.15 352.3)

  9. Step 800

    800

    #7F2B56

    oklch(42.7% 0.125 352)

  10. Step 900

    900 (this color)

    #581B3A

    oklch(32.9% 0.097 352.3)

  11. Step 950

    950

    #3C1829

    oklch(26.9% 0.061 352.4)

Export this scale for Tailwind in the Tailwind colors tool

#581B3A 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)#242B3B0.107
Deuteranopia (no green cones)#3536390.096
Tritanopia (no blue cones)#5F17280.034
Achromatopsia (no color)#3232320.097

Harmonies

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

Complementary

The opposite hue (180°).

  • #581B3A

    #581B3A

    oklch(32.9% 0.097 352.3)

  • #003F31

    #003F31

    oklch(32.8% 0.063 172.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #581B3A

    #581B3A

    oklch(32.9% 0.097 352.3)

  • #4B2152

    #4B2152

    oklch(32.9% 0.096 321.7)

  • #5D1B1D

    #5D1B1D

    oklch(32.9% 0.096 22.5)

Open the analogous palette in the generator

Split complementary

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

  • #581B3A

    #581B3A

    oklch(32.9% 0.097 352.3)

  • #0F410C

    #0F410C

    oklch(33% 0.097 142.3)

  • #003D41

    #003D41

    oklch(32.8% 0.056 202.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #581B3A

    #581B3A

    oklch(32.9% 0.097 352.3)

  • #363800

    #363800

    oklch(32.8% 0.073 112)

  • #003A52

    #003A52

    oklch(32.8% 0.068 233.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #581B3A

    #581B3A

    oklch(32.9% 0.097 352.3)

  • #463100

    #463100

    oklch(32.9% 0.068 82.4)

  • #003F31

    #003F31

    oklch(32.8% 0.063 172.1)

  • #183266

    #183266

    oklch(32.8% 0.097 262.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #581B3A, closest first.

Similar named colors

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

Use #581B3A 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.