#51171C#51171C

#51171C is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.1% C 0.087 H 19.1°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#51171C
RGB	rgb(81, 23, 28)
HSL	hsl(355, 56%, 20%)
HSV	hsv(355, 72%, 32%)
CMYK	cmyk(0%, 71.6%, 65.4%, 68.2%)
CIE-LAB	lab(17.67, 27.45, 11.60)
CIE-LCH	lch(17.67, 29.80, 22.91°)
OKLab	oklab(30.09% 0.0818 0.0283)
OKLCH	oklch(30.09% 0.087 19.1)
XYZ	xyz(3.9097, 2.4465, 1.3647)
Luminance	0.0245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51171C #17514C

analogous

#511739 #51171C #512F17

triadic

#51171C #1C5117 #171C51

tetradic

#51171C #395117 #17514C #2F1751

square

#51171C #395117 #17514C #2F1751

split-complementary

#51171C #17512F #173951

monochromatic

#180708 #21090C #51171C #81252C #B0323D

Accessibility & contrast

On white

14.10

#51171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#51171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51171C

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51171C	#FFFFFF	#000000	##FFFFFF
##51171C	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241C

Deuteranopia (green-blind)

#34301B

Tritanopia (blue-blind)

#590B19

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51171c;
/* rgb */ color: rgb(81, 23, 28);
/* oklch */ color: oklch(30.1% 0.087 19.1);

Tailwind

colors: {
  custom: {
    50: '#865857',
    500: '#51171c',
    950: '#000000',
  },
}

SCSS

$custom: #51171c;
$custom-light: #865857;
$custom-dark: #000000;

JSON

{
  "hex": "#51171c",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 354.828,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30094,
    "c": 0.08651,
    "h": 19.1
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#51171C

secondary

#3C8882

accent

#DFD249

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #51171C

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

Preview Lab → · Contrast checker → · Palette generator →