#5B1A1B

Closest named color: Claret (#680018). oklch(32.4% 0.095 23.3), rgb(91, 26, 27).

Aa

White text reads best on this color (13.05:1).

About this color

#5B1A1B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.095 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.037 away. White text reads best on it, at 13.05:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.095)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.60:1
White text13.05:1

Values

HEX#5B1A1B
RGBrgb(91, 26, 27)
HSLhsl(359, 56%, 23%)
OKLCHoklch(32.4% 0.095 23.3)

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 #5B1A1B 13.05:1 AAA Lc -102.0 Preferred for body text
Black text on #5B1A1B 1.60:1 Fails Lc 0.0 Not readable
#5B1A1B text on white 13.05:1 AAA Lc 98.6 Preferred for body text
#5B1A1B text on black 1.60:1 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

    #F8E5E3

    oklch(93.7% 0.021 24.8)

  3. Step 200

    200

    #F3D0CD

    oklch(88.6% 0.04 23.7)

  4. Step 300

    300

    #ECAFAB

    oklch(80.9% 0.072 23)

  5. Step 400

    400

    #DF837E

    oklch(70.7% 0.114 23.7)

  6. Step 500

    500

    #D3605E

    oklch(63% 0.146 23.2)

  7. Step 600

    600

    #BF4344

    oklch(55.6% 0.159 23.4)

  8. Step 700

    700

    #A43436

    oklch(49.1% 0.147 23.4)

  9. Step 800

    800

    #852C2D

    oklch(42.6% 0.122 23.3)

  10. Step 900

    900 (this color)

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  11. Step 950

    950

    #3F1918

    oklch(27% 0.06 23.4)

Export this scale for Tailwind in the Tailwind colors tool

#5B1A1B 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)#2B281A0.104
Deuteranopia (no green cones)#3C36190.094
Tritanopia (no blue cones)#640A1B0.027
Achromatopsia (no color)#3131310.096

Harmonies

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

Complementary

The opposite hue (180°).

  • #5B1A1B

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  • #003C40

    #003C40

    oklch(32.4% 0.055 202.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5B1A1B

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  • #561A38

    #561A38

    oklch(32.3% 0.095 352.8)

  • #532500

    #532500

    oklch(32.3% 0.082 52.8)

Open the analogous palette in the generator

Split complementary

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

  • #5B1A1B

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  • #003E31

    #003E31

    oklch(32.4% 0.062 173.2)

  • #003950

    #003950

    oklch(32.4% 0.067 232.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5B1A1B

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  • #0B3F0D

    #0B3F0D

    oklch(32.3% 0.095 143.4)

  • #193164

    #193164

    oklch(32.5% 0.095 263.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5B1A1B

    #5B1A1B

    oklch(32.4% 0.095 23.3)

  • #343700

    #343700

    oklch(32.3% 0.072 113.1)

  • #003C40

    #003C40

    oklch(32.4% 0.055 202.2)

  • #37275F

    #37275F

    oklch(32.3% 0.096 293.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B1A1B, closest first.

Similar named colors

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

Use #5B1A1B 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.