#511F22#511F22

#511F22 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.075 H 18.8°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#511F22
RGB	rgb(81, 31, 34)
HSL	hsl(356, 45%, 22%)
HSV	hsv(356, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 58%, 68.2%)
CIE-LAB	lab(19.41, 23.74, 9.71)
CIE-LCH	lch(19.41, 25.65, 22.25°)
OKLab	oklab(31.44% 0.0711 0.0242)
OKLCH	oklch(31.44% 0.075 18.8)
XYZ	xyz(4.1724, 2.8453, 1.8425)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F22 #1F514E

analogous

#511F3B #511F22 #51351F

triadic

#511F22 #22511F #1F2251

tetradic

#511F22 #3B511F #1F514E #351F51

square

#511F22 #3B511F #1F514E #351F51

split-complementary

#511F22 #1F5135 #1F3B51

monochromatic

#160809 #250E0F #511F22 #7D3035 #AA4147

Accessibility & contrast

On white

13.38

#511F22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511F22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F22

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F22	#FFFFFF	#000000	##FFFFFF
##511F22	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2922

Deuteranopia (green-blind)

#373321

Tritanopia (blue-blind)

#591720

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f22;
/* rgb */ color: rgb(81, 31, 34);
/* oklch */ color: oklch(31.4% 0.075 18.8);

Tailwind

colors: {
  custom: {
    50: '#855d5c',
    500: '#511f22',
    950: '#000000',
  },
}

SCSS

$custom: #511f22;
$custom-light: #855d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#511f22",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 34
  },
  "hsl": {
    "h": 356.4,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31444,
    "c": 0.07512,
    "h": 18.8
  },
  "luminance": 0.02845
}

Semantic roles & 50–950 ramp

primary

#511F22

secondary

#468682

accent

#D4CD53

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511F22

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

Preview Lab → · Contrast checker → · Palette generator →