#571C05

Closest named color: Reddy Brown (#6E1005). oklch(31.6% 0.093 39.5), rgb(87, 28, 5).

Aa

White text reads best on this color (13.34:1).

About this color

#571C05 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.093 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.051 away. White text reads best on it, at 13.34:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.093)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.57:1
White text13.34:1

Values

HEX#571C05
RGBrgb(87, 28, 5)
HSLhsl(17, 89%, 18%)
OKLCHoklch(31.6% 0.093 39.5)

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 #571C05 13.34:1 AAA Lc -102.4 Preferred for body text
Black text on #571C05 1.57:1 Fails Lc 0.0 Not readable
#571C05 text on white 13.34:1 AAA Lc 99.1 Preferred for body text
#571C05 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

    #FFF2EE

    oklch(97% 0.015 37.9)

  2. Step 100

    100

    #FEE3DA

    oklch(93.5% 0.032 39.3)

  3. Step 200

    200

    #FECCBB

    oklch(88.4% 0.062 39.6)

  4. Step 300

    300

    #FEA88A

    oklch(80.9% 0.11 40)

  5. Step 400

    400

    #F97242

    oklch(70.6% 0.177 39.4)

  6. Step 500

    500

    #E74F00

    oklch(63% 0.2 39.6)

  7. Step 600

    600

    #C34100

    oklch(55.5% 0.176 39.5)

  8. Step 700

    700

    #A53600

    oklch(49% 0.155 39.6)

  9. Step 800

    800

    #892B00

    oklch(42.8% 0.136 39.4)

  10. Step 900

    900

    #732300

    oklch(37.7% 0.119 39.6)

  11. Step 950

    950 (this color)

    #571C05

    oklch(31.6% 0.093 39.5)

Export this scale for Tailwind in the Tailwind colors tool

#571C05 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)#2D27020.093
Deuteranopia (no green cones)#3C34030.083
Tritanopia (no blue cones)#610C180.042
Achromatopsia (no color)#2F2F2F0.094

Harmonies

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

Complementary

The opposite hue (180°).

  • #571C05

    #571C05

    oklch(31.6% 0.093 39.5)

  • #003846

    #003846

    oklch(31.5% 0.058 220.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #571C05

    #571C05

    oklch(31.6% 0.093 39.5)

  • #571827

    #571827

    oklch(31.6% 0.093 9.9)

  • #482A00

    #482A00

    oklch(31.6% 0.069 68.7)

Open the analogous palette in the generator

Split complementary

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

  • #571C05

    #571C05

    oklch(31.6% 0.093 39.5)

  • #003A38

    #003A38

    oklch(31.5% 0.054 191)

  • #00335C

    #00335C

    oklch(31.6% 0.088 249.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #571C05

    #571C05

    oklch(31.6% 0.093 39.5)

  • #003D24

    #003D24

    oklch(31.7% 0.073 158.9)

  • #2A2A5F

    #2A2A5F

    oklch(31.6% 0.092 279.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #571C05

    #571C05

    oklch(31.6% 0.093 39.5)

  • #233A00

    #233A00

    oklch(31.7% 0.085 130)

  • #003846

    #003846

    oklch(31.5% 0.058 220.6)

  • #402155

    #402155

    oklch(31.6% 0.094 309.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #571C05, closest first.

Similar named colors

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

Use #571C05 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.