#511E15#511E15

#511E15 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.079 H 31.9°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#511E15
RGB	rgb(81, 30, 21)
HSL	hsl(9, 59%, 20%)
HSV	hsv(9, 74%, 32%)
CMYK	cmyk(0%, 63%, 74.1%, 68.2%)
CIE-LAB	lab(18.94, 23.22, 17.99)
CIE-LCH	lch(18.94, 29.38, 37.76°)
OKLab	oklab(31% 0.067 0.0418)
OKLCH	oklch(31% 0.079 31.9)
XYZ	xyz(3.9934, 2.7325, 1.0265)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E15 #154851

analogous

#51152A #511E15 #513C15

triadic

#511E15 #15511E #1E1551

tetradic

#511E15 #2A5115 #154851 #3C1551

square

#511E15 #2A5115 #154851 #3C1551

split-complementary

#511E15 #15513C #152A51

monochromatic

#180906 #200C08 #511E15 #823022 #B2422E

Accessibility & contrast

On white

13.58

#511E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E15

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E15	#FFFFFF	#000000	##FFFFFF
##511E15	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2714

Deuteranopia (green-blind)

#383214

Tritanopia (blue-blind)

#59131C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e15;
/* rgb */ color: rgb(81, 30, 21);
/* oklch */ color: oklch(31.0% 0.079 31.9);

Tailwind

colors: {
  custom: {
    50: '#875c52',
    500: '#511e15',
    950: '#000000',
  },
}

SCSS

$custom: #511e15;
$custom-light: #875c52;
$custom-dark: #000000;

JSON

{
  "hex": "#511e15",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 21
  },
  "hsl": {
    "h": 9,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.31003,
    "c": 0.0789,
    "h": 31.9
  },
  "luminance": 0.02732
}

Semantic roles & 50–950 ramp

primary

#511E15

secondary

#397D89

accent

#CBE246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511E15

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

Preview Lab → · Contrast checker → · Palette generator →