#511C11#511C11

#511C11 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.6% C 0.082 H 33.4°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#511C11
RGB	rgb(81, 28, 17)
HSL	hsl(10, 65%, 19%)
HSV	hsv(10, 79%, 32%)
CMYK	cmyk(0%, 65.4%, 79%, 68.2%)
CIE-LAB	lab(18.46, 24.09, 19.95)
CIE-LCH	lch(18.46, 31.27, 39.63°)
OKLab	oklab(30.62% 0.0688 0.0454)
OKLCH	oklch(30.62% 0.082 33.4)
XYZ	xyz(3.9102, 2.6208, 0.8302)
Luminance	0.0262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C11 #114651

analogous

#511126 #511C11 #513C11

triadic

#511C11 #11511C #1C1151

tetradic

#511C11 #265111 #114651 #3C1151

square

#511C11 #265111 #114651 #3C1151

split-complementary

#511C11 #11513C #112651

monochromatic

#190905 #1E0B06 #511C11 #842D1C #B63F26

Accessibility & contrast

On white

13.78

#511C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C11

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C11	#FFFFFF	#000000	##FFFFFF
##511C11	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2610

Deuteranopia (green-blind)

#38310F

Tritanopia (blue-blind)

#5A101A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511c11;
/* rgb */ color: rgb(81, 28, 17);
/* oklch */ color: oklch(30.6% 0.082 33.4);

Tailwind

colors: {
  custom: {
    50: '#875a4f',
    500: '#511c11',
    950: '#000000',
  },
}

SCSS

$custom: #511c11;
$custom-light: #875a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#511c11",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 17
  },
  "hsl": {
    "h": 10.313,
    "s": 65.306,
    "l": 19.216
  },
  "oklch": {
    "l": 0.30619,
    "c": 0.08239,
    "h": 33.4
  },
  "luminance": 0.0262
}

Semantic roles & 50–950 ramp

primary

#511C11

secondary

#347B8A

accent

#CBE840

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511C11

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

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