#511617#511617

#511617 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.088 H 23.3°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#511617
RGB	rgb(81, 22, 23)
HSL	hsl(359, 57%, 20%)
HSV	hsv(359, 73%, 32%)
CMYK	cmyk(0%, 72.8%, 71.6%, 68.2%)
CIE-LAB	lab(17.39, 27.56, 14.75)
CIE-LCH	lch(17.39, 31.26, 28.15°)
OKLab	oklab(29.85% 0.081 0.0349)
OKLCH	oklch(29.85% 0.088 23.3)
XYZ	xyz(3.8353, 2.3856, 1.0689)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511617 #165150

analogous

#511634 #511617 #513216

triadic

#511617 #175116 #161751

tetradic

#511617 #345116 #165150 #321651

square

#511617 #345116 #165150 #321651

split-complementary

#511617 #165132 #163451

monochromatic

#180707 #210909 #511617 #812325 #B13032

Accessibility & contrast

On white

14.22

#511617 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511617 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511617

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511617	#FFFFFF	#000000	##FFFFFF
##511617	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262317

Deuteranopia (green-blind)

#352F15

Tritanopia (blue-blind)

#5A0817

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511617;
/* rgb */ color: rgb(81, 22, 23);
/* oklch */ color: oklch(29.8% 0.088 23.3);

Tailwind

colors: {
  custom: {
    50: '#875753',
    500: '#511617',
    950: '#000000',
  },
}

SCSS

$custom: #511617;
$custom-light: #875753;
$custom-dark: #000000;

JSON

{
  "hex": "#511617",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 23
  },
  "hsl": {
    "h": 358.983,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.2985,
    "c": 0.08822,
    "h": 23.3
  },
  "luminance": 0.02385
}

Semantic roles & 50–950 ramp

primary

#511617

secondary

#3A8887

accent

#E1DE47

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511617

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

Preview Lab → · Contrast checker → · Palette generator →