#570F21#570F21

#570F21 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.103 H 11.8°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#570F21
RGB	rgb(87, 15, 33)
HSL	hsl(345, 71%, 20%)
HSV	hsv(345, 83%, 34%)
CMYK	cmyk(0%, 82.8%, 62.1%, 65.9%)
CIE-LAB	lab(17.82, 33.43, 8.46)
CIE-LCH	lch(17.82, 34.48, 14.19°)
OKLab	oklab(30.47% 0.1011 0.0211)
OKLCH	oklch(30.47% 0.103 11.8)
XYZ	xyz(4.3762, 2.4783, 1.6865)
Luminance	0.0248 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#570F21 #0F5745

analogous

#570F45 #570F21 #57210F

triadic

#570F21 #21570F #0F2157

tetradic

#570F21 #45570F #0F5745 #210F57

square

#570F21 #45570F #0F5745 #210F57

split-complementary

#570F21 #0F5721 #0F4557

monochromatic

#1A050A #23060D #570F21 #8B1835 #BF2149

Accessibility & contrast

On white

14.04

#570F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#570F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #570F21

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##570F21	#FFFFFF	#000000	##FFFFFF
##570F21	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232221

Deuteranopia (green-blind)

#35311F

Tritanopia (blue-blind)

#600017

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #570f21;
/* rgb */ color: rgb(87, 15, 33);
/* oklch */ color: oklch(30.5% 0.103 11.8);

Tailwind

colors: {
  custom: {
    50: '#8b555b',
    500: '#570f21',
    950: '#000000',
  },
}

SCSS

$custom: #570f21;
$custom-light: #8b555b;
$custom-dark: #000000;

JSON

{
  "hex": "#570f21",
  "rgb": {
    "r": 87,
    "g": 15,
    "b": 33
  },
  "hsl": {
    "h": 345,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.30473,
    "c": 0.10323,
    "h": 11.8
  },
  "luminance": 0.02478
}

Semantic roles & 50–950 ramp

primary

#570F21

secondary

#319179

accent

#EDC13A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0304

muted

#7E7879

Preview Lab

Preview with #570F21

Body copy rendered with the generated semantic roles for this colour.

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