#531B0F#531B0F

#531B0F is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.8% C 0.087 H 33.7°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#531B0F
RGB	rgb(83, 27, 15)
HSL	hsl(11, 69%, 19%)
HSV	hsv(11, 82%, 33%)
CMYK	cmyk(0%, 67.5%, 81.9%, 67.5%)
CIE-LAB	lab(18.62, 25.36, 21.35)
CIE-LCH	lch(18.62, 33.15, 40.08°)
OKLab	oklab(30.81% 0.072 0.0481)
OKLCH	oklch(30.81% 0.087 33.7)
XYZ	xyz(4.0459, 2.6579, 0.7518)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B0F #0F4753

analogous

#530F25 #531B0F #533D0F

triadic

#531B0F #0F531B #1B0F53

tetradic

#531B0F #25530F #0F4753 #3D0F53

square

#531B0F #25530F #0F4753 #3D0F53

split-complementary

#531B0F #0F533D #0F2553

monochromatic

#1A0805 #1F0A06 #531B0F #872C18 #BB3D22

Accessibility & contrast

On white

13.71

#531B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#531B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B0F

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B0F	#FFFFFF	#000000	##FFFFFF
##531B0F	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260D

Deuteranopia (green-blind)

#38320D

Tritanopia (blue-blind)

#5C0D19

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #531b0f;
/* rgb */ color: rgb(83, 27, 15);
/* oklch */ color: oklch(30.8% 0.087 33.7);

Tailwind

colors: {
  custom: {
    50: '#895a4e',
    500: '#531b0f',
    950: '#000000',
  },
}

SCSS

$custom: #531b0f;
$custom-light: #895a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#531b0f",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 10.588,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.30807,
    "c": 0.08662,
    "h": 33.7
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#531B0F

secondary

#317D8D

accent

#CDEC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0401

muted

#7D7977

Preview Lab

Preview with #531B0F

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

Preview Lab → · Contrast checker → · Palette generator →