#5B1D1C

Closest named color: Claret (#680018). oklch(32.8% 0.092 24.5), rgb(91, 29, 28).

Aa

White text reads best on this color (12.82:1).

About this color

#5B1D1C is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.092 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.041 away. White text reads best on it, at 12.82:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.092)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.63:1
White text12.82:1

Values

HEX#5B1D1C
RGBrgb(91, 29, 28)
HSLhsl(1, 53%, 23%)
OKLCHoklch(32.8% 0.092 24.5)

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 #5B1D1C 12.82:1 AAA Lc -101.7 Preferred for body text
Black text on #5B1D1C 1.63:1 Fails Lc 0.0 Not readable
#5B1D1C text on white 12.82:1 AAA Lc 98.3 Preferred for body text
#5B1D1C 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F7E5E3

    oklch(93.6% 0.02 25.2)

  3. Step 200

    200

    #F2D0CD

    oklch(88.5% 0.039 23.9)

  4. Step 300

    300

    #EAB0AB

    oklch(80.9% 0.069 24.3)

  5. Step 400

    400

    #DD847E

    oklch(70.6% 0.111 24.4)

  6. Step 500

    500

    #D1635E

    oklch(63.2% 0.14 24.5)

  7. Step 600

    600

    #BC4644

    oklch(55.5% 0.153 24.4)

  8. Step 700

    700

    #A23736

    oklch(49.1% 0.142 24.5)

  9. Step 800

    800

    #832F2D

    oklch(42.7% 0.116 24.7)

  10. Step 900

    900 (this color)

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  11. Step 950

    950

    #3E1A18

    oklch(27% 0.057 24.8)

Export this scale for Tailwind in the Tailwind colors tool

#5B1D1C 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)#2D2A1B0.098
Deuteranopia (no green cones)#3D371A0.090
Tritanopia (no blue cones)#640F1D0.028
Achromatopsia (no color)#3232320.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #5B1D1C

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  • #003D42

    #003D42

    oklch(32.8% 0.056 203.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5B1D1C

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  • #571D38

    #571D38

    oklch(32.9% 0.091 354.4)

  • #542700

    #542700

    oklch(32.9% 0.082 54.5)

Open the analogous palette in the generator

Split complementary

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

  • #5B1D1C

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  • #003F33

    #003F33

    oklch(32.8% 0.062 174.9)

  • #003A53

    #003A53

    oklch(32.9% 0.069 234.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5B1D1C

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  • #0D4012

    #0D4012

    oklch(32.7% 0.092 144.5)

  • #1D3263

    #1D3263

    oklch(32.9% 0.091 264.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5B1D1C

    #5B1D1C

    oklch(32.8% 0.092 24.5)

  • #343900

    #343900

    oklch(32.8% 0.075 115.1)

  • #003D42

    #003D42

    oklch(32.8% 0.056 203.9)

  • #39295E

    #39295E

    oklch(32.8% 0.091 294.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B1D1C, closest first.

Similar named colors

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

Use #5B1D1C 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.