#511A0E#511A0E

#511A0E is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.3% C 0.085 H 33.9°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#511A0E
RGB	rgb(81, 26, 14)
HSL	hsl(11, 71%, 19%)
HSV	hsv(11, 83%, 32%)
CMYK	cmyk(0%, 67.9%, 82.7%, 68.2%)
CIE-LAB	lab(18.01, 25.01, 21.05)
CIE-LCH	lch(18.01, 32.68, 40.09°)
OKLab	oklab(30.27% 0.0709 0.0477)
OKLCH	oklch(30.27% 0.085 33.9)
XYZ	xyz(3.8424, 2.5204, 0.6995)
Luminance	0.0252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A0E #0E4551

analogous

#510E23 #511A0E #513B0E

triadic

#511A0E #0E511A #1A0E51

tetradic

#511A0E #23510E #0E4551 #3B0E51

square

#511A0E #23510E #0E4551 #3B0E51

split-complementary

#511A0E #0E513B #0E2351

monochromatic

#1A0805 #1D0905 #511A0E #852B17 #B93B20

Accessibility & contrast

On white

13.96

#511A0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#511A0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A0E

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A0E	#FFFFFF	#000000	##FFFFFF
##511A0E	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)

#29240C

Deuteranopia (green-blind)

#37310C

Tritanopia (blue-blind)

#5A0C18

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a0e;
/* rgb */ color: rgb(81, 26, 14);
/* oklch */ color: oklch(30.3% 0.085 33.9);

Tailwind

colors: {
  custom: {
    50: '#87594d',
    500: '#511a0e',
    950: '#000000',
  },
}

SCSS

$custom: #511a0e;
$custom-light: #87594d;
$custom-dark: #000000;

JSON

{
  "hex": "#511a0e",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 14
  },
  "hsl": {
    "h": 10.746,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.3027,
    "c": 0.08546,
    "h": 33.9
  },
  "luminance": 0.0252
}

Semantic roles & 50–950 ramp

primary

#511A0E

secondary

#2F7B8C

accent

#CDED3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511A0E

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

Preview Lab → · Contrast checker → · Palette generator →