#51191D#51191D

#51191D is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.084 H 19.5°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#51191D
RGB	rgb(81, 25, 29)
HSL	hsl(356, 53%, 21%)
HSV	hsv(356, 69%, 32%)
CMYK	cmyk(0%, 69.1%, 64.2%, 68.2%)
CIE-LAB	lab(18.07, 26.52, 11.42)
CIE-LCH	lch(18.07, 28.88, 23.29°)
OKLab	oklab(30.4% 0.079 0.0279)
OKLCH	oklch(30.4% 0.084 19.5)
XYZ	xyz(3.9631, 2.5338, 1.4425)
Luminance	0.0253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51191D #19514D

analogous

#511939 #51191D #513119

triadic

#51191D #1D5119 #191D51

tetradic

#51191D #395119 #19514D #311951

square

#51191D #395119 #19514D #311951

split-complementary

#51191D #195131 #193951

monochromatic

#170708 #220B0C #51191D #80272E #AF363E

Accessibility & contrast

On white

13.94

#51191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#51191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51191D

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51191D	#FFFFFF	#000000	##FFFFFF
##51191D	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251D

Deuteranopia (green-blind)

#35311C

Tritanopia (blue-blind)

#590E1B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #51191d;
/* rgb */ color: rgb(81, 25, 29);
/* oklch */ color: oklch(30.4% 0.084 19.5);

Tailwind

colors: {
  custom: {
    50: '#865958',
    500: '#51191d',
    950: '#000000',
  },
}

SCSS

$custom: #51191d;
$custom-light: #865958;
$custom-dark: #000000;

JSON

{
  "hex": "#51191d",
  "rgb": {
    "r": 81,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 355.714,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30397,
    "c": 0.08382,
    "h": 19.5
  },
  "luminance": 0.02533
}

Semantic roles & 50–950 ramp

primary

#51191D

secondary

#3E8782

accent

#DCD24C

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #51191D

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

Preview Lab → · Contrast checker → · Palette generator →