#51171D#51171D

#51171D is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.1% C 0.086 H 18.0°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#51171D
RGB	rgb(81, 23, 29)
HSL	hsl(354, 56%, 20%)
HSV	hsv(354, 72%, 32%)
CMYK	cmyk(0%, 71.6%, 64.2%, 68.2%)
CIE-LAB	lab(17.70, 27.53, 10.93)
CIE-LCH	lch(17.70, 29.62, 21.64°)
OKLab	oklab(30.12% 0.0822 0.0268)
OKLCH	oklch(30.12% 0.086 18)
XYZ	xyz(3.9219, 2.4514, 1.4288)
Luminance	0.0245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51171D #17514B

analogous

#51173A #51171D #512E17

triadic

#51171D #1D5117 #171D51

tetradic

#51171D #3A5117 #17514B #2E1751

square

#51171D #3A5117 #17514B #2E1751

split-complementary

#51171D #17512E #173A51

monochromatic

#180709 #21090C #51171D #81252E #B0323F

Accessibility & contrast

On white

14.09

#51171D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#51171D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51171D

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51171D	#FFFFFF	#000000	##FFFFFF
##51171D	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241D

Deuteranopia (green-blind)

#34301C

Tritanopia (blue-blind)

#590B1A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51171d;
/* rgb */ color: rgb(81, 23, 29);
/* oklch */ color: oklch(30.1% 0.086 18.0);

Tailwind

colors: {
  custom: {
    50: '#865858',
    500: '#51171d',
    950: '#000000',
  },
}

SCSS

$custom: #51171d;
$custom-light: #865858;
$custom-dark: #000000;

JSON

{
  "hex": "#51171d",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 29
  },
  "hsl": {
    "h": 353.793,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30118,
    "c": 0.08647,
    "h": 18
  },
  "luminance": 0.02451
}

Semantic roles & 50–950 ramp

primary

#51171D

secondary

#3C8880

accent

#DFD049

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51171D

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

Preview Lab → · Contrast checker → · Palette generator →