#570F1B#570F1B

#570F1B is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.3% C 0.103 H 17.1°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#570F1B
RGB	rgb(87, 15, 27)
HSL	hsl(350, 71%, 20%)
HSV	hsv(350, 83%, 34%)
CMYK	cmyk(0%, 82.8%, 69%, 65.9%)
CIE-LAB	lab(17.68, 32.98, 12.56)
CIE-LCH	lch(17.68, 35.29, 20.85°)
OKLab	oklab(30.32% 0.0984 0.0302)
OKLCH	oklch(30.32% 0.103 17.1)
XYZ	xyz(4.2996, 2.4477, 1.2827)
Luminance	0.0245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#570F1B #0F574B

analogous

#570F3F #570F1B #57270F

triadic

#570F1B #1B570F #0F1B57

tetradic

#570F1B #3F570F #0F574B #270F57

square

#570F1B #3F570F #0F574B #270F57

split-complementary

#570F1B #0F5727 #0F3F57

monochromatic

#1A0508 #23060B #570F1B #8B182B #BF213B

Accessibility & contrast

On white

14.10

#570F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#570F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #570F1B

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##570F1B	#FFFFFF	#000000	##FFFFFF
##570F1B	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221B

Deuteranopia (green-blind)

#363119

Tritanopia (blue-blind)

#600014

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #570f1b;
/* rgb */ color: rgb(87, 15, 27);
/* oklch */ color: oklch(30.3% 0.103 17.1);

Tailwind

colors: {
  custom: {
    50: '#8c5557',
    500: '#570f1b',
    950: '#000000',
  },
}

SCSS

$custom: #570f1b;
$custom-light: #8c5557;
$custom-dark: #000000;

JSON

{
  "hex": "#570f1b",
  "rgb": {
    "r": 87,
    "g": 15,
    "b": 27
  },
  "hsl": {
    "h": 350,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.30324,
    "c": 0.10288,
    "h": 17.1
  },
  "luminance": 0.02447
}

Semantic roles & 50–950 ramp

primary

#570F1B

secondary

#319181

accent

#EDD03A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #570F1B

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

Preview Lab → · Contrast checker → · Palette generator →