#571B18

Closest named color: Claret (#680018). oklch(31.7% 0.09 26.4), rgb(87, 27, 24).

Aa

White text reads best on this color (13.33:1).

About this color

#571B18 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.090 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.045 away. White text reads best on it, at 13.33:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.090)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.57:1
White text13.33:1

Values

HEX#571B18
RGBrgb(87, 27, 24)
HSLhsl(3, 57%, 22%)
OKLCHoklch(31.7% 0.09 26.4)

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 #571B18 13.33:1 AAA Lc -102.4 Preferred for body text
Black text on #571B18 1.57:1 Fails Lc 0.0 Not readable
#571B18 text on white 13.33:1 AAA Lc 99.1 Preferred for body text
#571B18 text on black 1.57:1 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FEE3DF

    oklch(93.7% 0.03 27.8)

  3. Step 200

    200

    #FECBC5

    oklch(88.5% 0.059 26.1)

  4. Step 300

    300

    #FEA69C

    oklch(81% 0.106 26.7)

  5. Step 400

    400

    #F87066

    oklch(70.7% 0.169 26.5)

  6. Step 500

    500

    #F03C3B

    oklch(63% 0.216 26.3)

  7. Step 600

    600

    #D8001C

    oklch(55.5% 0.226 26.3)

  8. Step 700

    700

    #B70016

    oklch(49.1% 0.2 26.3)

  9. Step 800

    800

    #980010

    oklch(42.8% 0.174 26.3)

  10. Step 900

    900

    #7C0F13

    oklch(37.7% 0.142 26.1)

  11. Step 950

    950 (this color)

    #571B18

    oklch(31.7% 0.09 26.4)

Export this scale for Tailwind in the Tailwind colors tool

#571B18 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)#2B27170.095
Deuteranopia (no green cones)#3A34160.088
Tritanopia (no blue cones)#600D1B0.029
Achromatopsia (no color)#2F2F2F0.090

Harmonies

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

Complementary

The opposite hue (180°).

  • #571B18

    #571B18

    oklch(31.7% 0.09 26.4)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #571B18

    #571B18

    oklch(31.7% 0.09 26.4)

  • #531A33

    #531A33

    oklch(31.6% 0.089 356.3)

  • #4F2600

    #4F2600

    oklch(31.9% 0.077 56.7)

Open the analogous palette in the generator

Split complementary

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

  • #571B18

    #571B18

    oklch(31.7% 0.09 26.4)

  • #003C31

    #003C31

    oklch(31.8% 0.06 175.7)

  • #003750

    #003750

    oklch(31.8% 0.068 235.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #571B18

    #571B18

    oklch(31.7% 0.09 26.4)

  • #063D13

    #063D13

    oklch(31.6% 0.089 146.7)

  • #1D2E5F

    #1D2E5F

    oklch(31.6% 0.09 266.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #571B18

    #571B18

    oklch(31.7% 0.09 26.4)

  • #303600

    #303600

    oklch(31.6% 0.073 116.4)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

  • #37265A

    #37265A

    oklch(31.7% 0.09 295.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #571B18, closest first.

Similar named colors

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

Use #571B18 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.