#511A0F#511A0F

#511A0F is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.3% C 0.085 H 33.2°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#511A0F
RGB	rgb(81, 26, 15)
HSL	hsl(10, 69%, 19%)
HSV	hsv(10, 81%, 32%)
CMYK	cmyk(0%, 67.9%, 81.5%, 68.2%)
CIE-LAB	lab(18.02, 25.06, 20.54)
CIE-LCH	lch(18.02, 32.40, 39.35°)
OKLab	oklab(30.28% 0.0713 0.0466)
OKLCH	oklch(30.28% 0.085 33.2)
XYZ	xyz(3.8494, 2.5231, 0.7362)
Luminance	0.0252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A0F #0F4651

analogous

#510F25 #511A0F #513B0F

triadic

#511A0F #0F511A #1A0F51

tetradic

#511A0F #25510F #0F4651 #3B0F51

square

#511A0F #25510F #0F4651 #3B0F51

split-complementary

#511A0F #0F513B #0F2551

monochromatic

#1A0805 #1D0905 #511A0F #852B19 #B83B22

Accessibility & contrast

On white

13.96

#511A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#511A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A0F

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A0F	#FFFFFF	#000000	##FFFFFF
##511A0F	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29240E

Deuteranopia (green-blind)

#37310D

Tritanopia (blue-blind)

#5A0D18

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a0f;
/* rgb */ color: rgb(81, 26, 15);
/* oklch */ color: oklch(30.3% 0.085 33.2);

Tailwind

colors: {
  custom: {
    50: '#87594e',
    500: '#511a0f',
    950: '#000000',
  },
}

SCSS

$custom: #511a0f;
$custom-light: #87594e;
$custom-dark: #000000;

JSON

{
  "hex": "#511a0f",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 15
  },
  "hsl": {
    "h": 10,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30283,
    "c": 0.0852,
    "h": 33.2
  },
  "luminance": 0.02523
}

Semantic roles & 50–950 ramp

primary

#511A0F

secondary

#317C8B

accent

#CEEC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511A0F

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

Preview Lab → · Contrast checker → · Palette generator →