#511E17#511E17

#511E17 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.0% C 0.078 H 30.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#511E17
RGB	rgb(81, 30, 23)
HSL	hsl(7, 56%, 20%)
HSV	hsv(7, 72%, 32%)
CMYK	cmyk(0%, 63%, 71.6%, 68.2%)
CIE-LAB	lab(18.97, 23.36, 16.70)
CIE-LCH	lch(18.97, 28.71, 35.56°)
OKLab	oklab(31.04% 0.0678 0.0392)
OKLCH	oklch(31.04% 0.078 30)
XYZ	xyz(4.0126, 2.7403, 1.1281)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E17 #174A51

analogous

#51172D #511E17 #513B17

triadic

#511E17 #17511E #1E1751

tetradic

#511E17 #2D5117 #174A51 #3B1751

square

#511E17 #2D5117 #174A51 #3B1751

split-complementary

#511E17 #17513B #172D51

monochromatic

#180907 #210C09 #511E17 #813025 #B04132

Accessibility & contrast

On white

13.57

#511E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E17

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E17	#FFFFFF	#000000	##FFFFFF
##511E17	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2716

Deuteranopia (green-blind)

#383216

Tritanopia (blue-blind)

#59141D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511e17;
/* rgb */ color: rgb(81, 30, 23);
/* oklch */ color: oklch(31.0% 0.078 30.0);

Tailwind

colors: {
  custom: {
    50: '#865c54',
    500: '#511e17',
    950: '#000000',
  },
}

SCSS

$custom: #511e17;
$custom-light: #865c54;
$custom-dark: #000000;

JSON

{
  "hex": "#511e17",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 23
  },
  "hsl": {
    "h": 7.241,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31038,
    "c": 0.07834,
    "h": 30
  },
  "luminance": 0.0274
}

Semantic roles & 50–950 ramp

primary

#511E17

secondary

#3C7F88

accent

#CDDF49

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511E17

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

Preview Lab → · Contrast checker → · Palette generator →