#51222B#51222B

#51222B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.2% C 0.071 H 9.9°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#51222B
RGB	rgb(81, 34, 43)
HSL	hsl(349, 41%, 23%)
HSV	hsv(349, 58%, 32%)
CMYK	cmyk(0%, 58%, 46.9%, 68.2%)
CIE-LAB	lab(20.32, 23.02, 4.69)
CIE-LCH	lch(20.32, 23.50, 11.50°)
OKLab	oklab(32.2% 0.0698 0.0122)
OKLCH	oklch(32.2% 0.071 9.9)
XYZ	xyz(4.4017, 3.0683, 2.6455)
Luminance	0.0307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51222B #225148

analogous

#512242 #51222B #513122

triadic

#51222B #2B5122 #222B51

tetradic

#51222B #425122 #225148 #312251

square

#51222B #425122 #225148 #312251

split-complementary

#51222B #225131 #224251

monochromatic

#16090B #261014 #51222B #7C3442 #A74659

Accessibility & contrast

On white

13.01

#51222B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#51222B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51222B

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51222B	#FFFFFF	#000000	##FFFFFF
##51222B	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2B2B

Deuteranopia (green-blind)

#37342A

Tritanopia (blue-blind)

#581D25

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #51222b;
/* rgb */ color: rgb(81, 34, 43);
/* oklch */ color: oklch(32.2% 0.071 9.9);

Tailwind

colors: {
  custom: {
    50: '#845f64',
    500: '#51222b',
    950: '#000000',
  },
}

SCSS

$custom: #51222b;
$custom-light: #845f64;
$custom-dark: #000000;

JSON

{
  "hex": "#51222b",
  "rgb": {
    "r": 81,
    "g": 34,
    "b": 43
  },
  "hsl": {
    "h": 348.511,
    "s": 40.87,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32202,
    "c": 0.0709,
    "h": 9.9
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#51222B

secondary

#4A857A

accent

#D1B957

background

#F8F5F5

surface

#EFE9EA

border

#CAC5C6

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #51222B

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

Preview Lab → · Contrast checker → · Palette generator →