#581819

Closest named color: Claret (#680018). oklch(31.5% 0.094 23.5), rgb(88, 24, 25).

Aa

White text reads best on this color (13.46:1).

About this color

#581819 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.094 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.040 away. White text reads best on it, at 13.46:1.

Hue familyReds
Lightnessdark (31%)
Chromamoderately saturated (0.094)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.55:1
White text13.46:1

Values

HEX#581819
RGBrgb(88, 24, 25)
HSLhsl(359, 57%, 22%)
OKLCHoklch(31.5% 0.094 23.5)

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 #581819 13.46:1 AAA Lc -102.5 Preferred for body text
Black text on #581819 1.55:1 Fails Lc 0.0 Not readable
#581819 text on white 13.46:1 AAA Lc 99.2 Preferred for body text
#581819 text on black 1.55:1 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 950.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC6

    oklch(88.4% 0.061 23.4)

  4. Step 300

    300

    #FFA59F

    oklch(81% 0.108 23.9)

  5. Step 400

    400

    #FC6B69

    oklch(70.7% 0.178 23.5)

  6. Step 500

    500

    #F53140

    oklch(63.1% 0.228 23.5)

  7. Step 600

    600

    #D8002A

    oklch(55.6% 0.225 23.5)

  8. Step 700

    700

    #B70022

    oklch(49.2% 0.199 23.5)

  9. Step 800

    800

    #97001A

    oklch(42.7% 0.172 23.6)

  10. Step 900

    900

    #7E0516

    oklch(37.7% 0.149 23.5)

  11. Step 950

    950 (this color)

    #581819

    oklch(31.5% 0.094 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#581819 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)#2926180.102
Deuteranopia (no green cones)#3934170.095
Tritanopia (no blue cones)#6108190.027
Achromatopsia (no color)#2F2F2F0.095

Harmonies

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

Complementary

The opposite hue (180°).

  • #581819

    #581819

    oklch(31.5% 0.094 23.5)

  • #00393E

    #00393E

    oklch(31.4% 0.054 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #581819

    #581819

    oklch(31.5% 0.094 23.5)

  • #531835

    #531835

    oklch(31.4% 0.094 353.5)

  • #4F2400

    #4F2400

    oklch(31.5% 0.079 54.1)

Open the analogous palette in the generator

Split complementary

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

  • #581819

    #581819

    oklch(31.5% 0.094 23.5)

  • #003B2F

    #003B2F

    oklch(31.4% 0.06 174)

  • #00364D

    #00364D

    oklch(31.4% 0.065 233.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #581819

    #581819

    oklch(31.5% 0.094 23.5)

  • #093D0B

    #093D0B

    oklch(31.5% 0.095 143.4)

  • #172E61

    #172E61

    oklch(31.4% 0.095 263.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #581819

    #581819

    oklch(31.5% 0.094 23.5)

  • #323500

    #323500

    oklch(31.5% 0.07 113.2)

  • #00393E

    #00393E

    oklch(31.4% 0.054 204.4)

  • #35255C

    #35255C

    oklch(31.5% 0.095 293.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #581819, closest first.

Similar named colors

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

Use #581819 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.