#511615#511615

#511615 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.088 H 25.1°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#511615
RGB	rgb(81, 22, 21)
HSL	hsl(1, 59%, 20%)
HSV	hsv(1, 74%, 32%)
CMYK	cmyk(0%, 72.8%, 74.1%, 68.2%)
CIE-LAB	lab(17.36, 27.43, 16.09)
CIE-LCH	lch(17.36, 31.80, 30.39°)
OKLab	oklab(29.81% 0.0801 0.0376)
OKLCH	oklch(29.81% 0.089 25.1)
XYZ	xyz(3.8160, 2.3778, 0.9674)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511615 #155051

analogous

#511532 #511615 #513415

triadic

#511615 #155116 #161551

tetradic

#511615 #325115 #155051 #341551

square

#511615 #325115 #155051 #341551

split-complementary

#511615 #155134 #153251

monochromatic

#180706 #200908 #511615 #822322 #B2302E

Accessibility & contrast

On white

14.23

#511615 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#511615 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511615

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511615	#FFFFFF	#000000	##FFFFFF
##511615	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262314

Deuteranopia (green-blind)

#352F13

Tritanopia (blue-blind)

#5A0716

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #511615;
/* rgb */ color: rgb(81, 22, 21);
/* oklch */ color: oklch(29.8% 0.088 25.1);

Tailwind

colors: {
  custom: {
    50: '#875752',
    500: '#511615',
    950: '#000000',
  },
}

SCSS

$custom: #511615;
$custom-light: #875752;
$custom-dark: #000000;

JSON

{
  "hex": "#511615",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 21
  },
  "hsl": {
    "h": 1,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.29811,
    "c": 0.0885,
    "h": 25.1
  },
  "luminance": 0.02377
}

Semantic roles & 50–950 ramp

primary

#511615

secondary

#398789

accent

#DFE246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #511615

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

Preview Lab → · Contrast checker → · Palette generator →