#511E10#511E10

#511E10 is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.9% C 0.080 H 36.2°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#511E10
RGB	rgb(81, 30, 16)
HSL	hsl(13, 67%, 19%)
HSV	hsv(13, 80%, 32%)
CMYK	cmyk(0%, 63%, 80.2%, 68.2%)
CIE-LAB	lab(18.87, 22.92, 21.00)
CIE-LCH	lch(18.87, 31.09, 42.50°)
OKLab	oklab(30.93% 0.0649 0.0475)
OKLCH	oklch(30.93% 0.08 36.2)
XYZ	xyz(3.9515, 2.7158, 0.8062)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E10 #104351

analogous

#511023 #511E10 #513F10

triadic

#511E10 #10511E #1E1051

tetradic

#511E10 #235110 #104351 #3F1051

square

#511E10 #235110 #104351 #3F1051

split-complementary

#511E10 #10513F #102351

monochromatic

#1A0905 #1E0B06 #511E10 #84311A #B74424

Accessibility & contrast

On white

13.61

#511E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E10

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E10	#FFFFFF	#000000	##FFFFFF
##511E10	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270E

Deuteranopia (green-blind)

#38320F

Tritanopia (blue-blind)

#5A131B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e10;
/* rgb */ color: rgb(81, 30, 16);
/* oklch */ color: oklch(30.9% 0.080 36.2);

Tailwind

colors: {
  custom: {
    50: '#875c4f',
    500: '#511e10',
    950: '#000000',
  },
}

SCSS

$custom: #511e10;
$custom-light: #875c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#511e10",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 16
  },
  "hsl": {
    "h": 12.923,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.30926,
    "c": 0.08045,
    "h": 36.2
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#511E10

secondary

#32788B

accent

#C5EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #511E10

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

Preview Lab → · Contrast checker → · Palette generator →