#591B1C

Closest named color: Claret (#680018). oklch(32.1% 0.091 22.9), rgb(89, 27, 28).

Aa

White text reads best on this color (13.13:1).

About this color

#591B1C is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 23°. 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 13.13:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.59:1
White text13.13:1

Values

HEX#591B1C
RGBrgb(89, 27, 28)
HSLhsl(359, 53%, 23%)
OKLCHoklch(32.1% 0.091 22.9)

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 #591B1C 13.13:1 AAA Lc -102.1 Preferred for body text
Black text on #591B1C 1.59:1 Fails Lc 0.0 Not readable
#591B1C text on white 13.13:1 AAA Lc 98.8 Preferred for body text
#591B1C text on black 1.59:1 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

    #FEE2E0

    oklch(93.5% 0.031 22.6)

  3. Step 200

    200

    #FFCAC7

    oklch(88.5% 0.061 22.1)

  4. Step 300

    300

    #FFA4A0

    oklch(80.8% 0.109 22.5)

  5. Step 400

    400

    #FA6D6C

    oklch(70.7% 0.173 23)

  6. Step 500

    500

    #F23644

    oklch(63% 0.222 23)

  7. Step 600

    600

    #D8002C

    oklch(55.7% 0.225 23.1)

  8. Step 700

    700

    #B70024

    oklch(49.2% 0.198 23)

  9. Step 800

    800

    #97001C

    oklch(42.7% 0.172 22.9)

  10. Step 900

    900

    #7D0A19

    oklch(37.7% 0.145 22.9)

  11. Step 950

    950 (this color)

    #591B1C

    oklch(32.1% 0.091 22.9)

Export this scale for Tailwind in the Tailwind colors tool

#591B1C 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)#2B281C0.099
Deuteranopia (no green cones)#3B351A0.090
Tritanopia (no blue cones)#620D1C0.027
Achromatopsia (no color)#3030300.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #591B1C

    #591B1C

    oklch(32.1% 0.091 22.9)

  • #003B3F

    #003B3F

    oklch(32.1% 0.055 202.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #591B1C

    #591B1C

    oklch(32.1% 0.091 22.9)

  • #541B37

    #541B37

    oklch(32.1% 0.091 353)

  • #522500

    #522500

    oklch(32.2% 0.081 53.4)

Open the analogous palette in the generator

Split complementary

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

  • #591B1C

    #591B1C

    oklch(32.1% 0.091 22.9)

  • #003D30

    #003D30

    oklch(32.1% 0.062 173)

  • #00384F

    #00384F

    oklch(32.1% 0.066 233)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #591B1C

    #591B1C

    oklch(32.1% 0.091 22.9)

  • #0F3E0E

    #0F3E0E

    oklch(32.1% 0.091 142.8)

  • #193061

    #193061

    oklch(32% 0.092 263.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #591B1C

    #591B1C

    oklch(32.1% 0.091 22.9)

  • #343700

    #343700

    oklch(32.3% 0.072 113.1)

  • #003B3F

    #003B3F

    oklch(32.1% 0.055 202.3)

  • #36285D

    #36285D

    oklch(32.2% 0.091 292.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #591B1C, closest first.

Similar named colors

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

Use #591B1C 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.