#511D13#511D13

#511D13 is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.8% C 0.081 H 32.7°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#511D13
RGB	rgb(81, 29, 19)
HSL	hsl(10, 62%, 20%)
HSV	hsv(10, 77%, 32%)
CMYK	cmyk(0%, 64.2%, 76.5%, 68.2%)
CIE-LAB	lab(18.69, 23.65, 19.01)
CIE-LCH	lch(18.69, 30.34, 38.79°)
OKLab	oklab(30.81% 0.0678 0.0436)
OKLCH	oklch(30.81% 0.081 32.7)
XYZ	xyz(3.9506, 2.6756, 0.9244)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D13 #134751

analogous

#511328 #511D13 #513C13

triadic

#511D13 #13511D #1D1351

tetradic

#511D13 #285113 #134751 #3C1351

square

#511D13 #285113 #134751 #3C1351

split-complementary

#511D13 #13513C #132851

monochromatic

#190906 #1F0B07 #511D13 #832F1F #B4402A

Accessibility & contrast

On white

13.68

#511D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D13

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D13	#FFFFFF	#000000	##FFFFFF
##511D13	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2612

Deuteranopia (green-blind)

#383212

Tritanopia (blue-blind)

#5A121B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511d13;
/* rgb */ color: rgb(81, 29, 19);
/* oklch */ color: oklch(30.8% 0.081 32.7);

Tailwind

colors: {
  custom: {
    50: '#875b51',
    500: '#511d13',
    950: '#000000',
  },
}

SCSS

$custom: #511d13;
$custom-light: #875b51;
$custom-dark: #000000;

JSON

{
  "hex": "#511d13",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 9.677,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30808,
    "c": 0.08066,
    "h": 32.7
  },
  "luminance": 0.02675
}

Semantic roles & 50–950 ramp

primary

#511D13

secondary

#367C8A

accent

#CBE543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511D13

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

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