#511C19#511C19

#511C19 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.080 H 26.1°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#511C19
RGB	rgb(81, 28, 25)
HSL	hsl(3, 53%, 21%)
HSV	hsv(3, 69%, 32%)
CMYK	cmyk(0%, 65.4%, 69.1%, 68.2%)
CIE-LAB	lab(18.59, 24.61, 14.86)
CIE-LCH	lch(18.59, 28.75, 31.12°)
OKLab	oklab(30.76% 0.0722 0.0354)
OKLCH	oklch(30.76% 0.08 26.1)
XYZ	xyz(3.9844, 2.6505, 1.2213)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C19 #194E51

analogous

#511932 #511C19 #513819

triadic

#511C19 #19511C #1C1951

tetradic

#511C19 #325119 #194E51 #381951

square

#511C19 #325119 #194E51 #381951

split-complementary

#511C19 #195138 #193251

monochromatic

#170807 #220C0B #511C19 #802C27 #AF3C36

Accessibility & contrast

On white

13.73

#511C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#511C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C19

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C19	#FFFFFF	#000000	##FFFFFF
##511C19	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2618

Deuteranopia (green-blind)

#373218

Tritanopia (blue-blind)

#59111C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511c19;
/* rgb */ color: rgb(81, 28, 25);
/* oklch */ color: oklch(30.8% 0.080 26.1);

Tailwind

colors: {
  custom: {
    50: '#865b55',
    500: '#511c19',
    950: '#000000',
  },
}

SCSS

$custom: #511c19;
$custom-light: #865b55;
$custom-dark: #000000;

JSON

{
  "hex": "#511c19",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 25
  },
  "hsl": {
    "h": 3.214,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30758,
    "c": 0.08039,
    "h": 26.1
  },
  "luminance": 0.0265
}

Semantic roles & 50–950 ramp

primary

#511C19

secondary

#3E8487

accent

#D4DC4C

background

#F8F5F4

surface

#F0E9E8

border

#CBC5C4

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #511C19

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

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