#511C13#511C13

#511C13 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.082 H 31.8°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#511C13
RGB	rgb(81, 28, 19)
HSL	hsl(9, 62%, 20%)
HSV	hsv(9, 77%, 32%)
CMYK	cmyk(0%, 65.4%, 76.5%, 68.2%)
CIE-LAB	lab(18.49, 24.20, 18.76)
CIE-LCH	lch(18.49, 30.62, 37.79°)
OKLab	oklab(30.65% 0.0696 0.0431)
OKLCH	oklch(30.65% 0.082 31.8)
XYZ	xyz(3.9265, 2.6274, 0.9163)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C13 #134851

analogous

#511329 #511C13 #513B13

triadic

#511C13 #13511C #1C1351

tetradic

#511C13 #295113 #134851 #3B1351

square

#511C13 #295113 #134851 #3B1351

split-complementary

#511C13 #13513B #132951

monochromatic

#190906 #1F0B07 #511C13 #832D1F #B43E2A

Accessibility & contrast

On white

13.77

#511C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#511C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C13

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C13	#FFFFFF	#000000	##FFFFFF
##511C13	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2612

Deuteranopia (green-blind)

#373112

Tritanopia (blue-blind)

#5A101A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511c13;
/* rgb */ color: rgb(81, 28, 19);
/* oklch */ color: oklch(30.6% 0.082 31.8);

Tailwind

colors: {
  custom: {
    50: '#875a51',
    500: '#511c13',
    950: '#000000',
  },
}

SCSS

$custom: #511c13;
$custom-light: #875a51;
$custom-dark: #000000;

JSON

{
  "hex": "#511c13",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 19
  },
  "hsl": {
    "h": 8.71,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30649,
    "c": 0.08182,
    "h": 31.8
  },
  "luminance": 0.02627
}

Semantic roles & 50–950 ramp

primary

#511C13

secondary

#367D8A

accent

#CEE543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511C13

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

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