#511D22#511D22

#511D22 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.078 H 17.0°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#511D22
RGB	rgb(81, 29, 34)
HSL	hsl(354, 47%, 22%)
HSV	hsv(354, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 58%, 68.2%)
CIE-LAB	lab(18.99, 24.85, 9.13)
CIE-LCH	lch(18.99, 26.48, 20.18°)
OKLab	oklab(31.12% 0.0746 0.0229)
OKLCH	oklch(31.12% 0.078 17)
XYZ	xyz(4.1218, 2.7441, 1.8257)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D22 #1D514C

analogous

#511D3C #511D22 #51321D

triadic

#511D22 #22511D #1D2251

tetradic

#511D22 #3C511D #1D514C #321D51

square

#511D22 #3C511D #1D514C #321D51

split-complementary

#511D22 #1D5132 #1D3C51

monochromatic

#170809 #240D0F #511D22 #7E2D35 #AB3D48

Accessibility & contrast

On white

13.56

#511D22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511D22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D22

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D22	#FFFFFF	#000000	##FFFFFF
##511D22	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292722

Deuteranopia (green-blind)

#363221

Tritanopia (blue-blind)

#59151F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511d22;
/* rgb */ color: rgb(81, 29, 34);
/* oklch */ color: oklch(31.1% 0.078 17.0);

Tailwind

colors: {
  custom: {
    50: '#855b5c',
    500: '#511d22',
    950: '#000000',
  },
}

SCSS

$custom: #511d22;
$custom-light: #855b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#511d22",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 34
  },
  "hsl": {
    "h": 354.231,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31124,
    "c": 0.07805,
    "h": 17
  },
  "luminance": 0.02744
}

Semantic roles & 50–950 ramp

primary

#511D22

secondary

#448680

accent

#D7CA51

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0404

muted

#7D7979

Preview Lab

Preview with #511D22

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

Preview Lab → · Contrast checker → · Palette generator →