#51201B#51201B

#51201B is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.4% C 0.075 H 28.0°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#51201B
RGB	rgb(81, 32, 27)
HSL	hsl(6, 50%, 21%)
HSV	hsv(6, 67%, 32%)
CMYK	cmyk(0%, 60.5%, 66.7%, 68.2%)
CIE-LAB	lab(19.48, 22.53, 14.63)
CIE-LCH	lch(19.48, 26.86, 33.00°)
OKLab	oklab(31.45% 0.0661 0.0351)
OKLCH	oklch(31.45% 0.075 28)
XYZ	xyz(4.1080, 2.8620, 1.3728)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51201B #1B4C51

analogous

#511B31 #51201B #513B1B

triadic

#51201B #1B5120 #201B51

tetradic

#51201B #31511B #1B4C51 #3B1B51

square

#51201B #31511B #1B4C51 #3B1B51

split-complementary

#51201B #1B513B #1B3151

monochromatic

#170908 #230E0C #51201B #7F322A #AD443A

Accessibility & contrast

On white

13.36

#51201B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#51201B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51201B

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51201B	#FFFFFF	#000000	##FFFFFF
##51201B	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291A

Deuteranopia (green-blind)

#38331A

Tritanopia (blue-blind)

#59171F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #51201b;
/* rgb */ color: rgb(81, 32, 27);
/* oklch */ color: oklch(31.4% 0.075 28.0);

Tailwind

colors: {
  custom: {
    50: '#865d57',
    500: '#51201b',
    950: '#000000',
  },
}

SCSS

$custom: #51201b;
$custom-light: #865d57;
$custom-dark: #000000;

JSON

{
  "hex": "#51201b",
  "rgb": {
    "r": 81,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 5.556,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31447,
    "c": 0.07481,
    "h": 28
  },
  "luminance": 0.02861
}

Semantic roles & 50–950 ramp

primary

#51201B

secondary

#418087

accent

#CDDA4E

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #51201B

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

Preview Lab → · Contrast checker → · Palette generator →