#51170D#51170D

#51170D is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 32.2°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#51170D
RGB	rgb(81, 23, 13)
HSL	hsl(9, 72%, 18%)
HSV	hsv(9, 84%, 32%)
CMYK	cmyk(0%, 71.6%, 84%, 68.2%)
CIE-LAB	lab(17.42, 26.50, 20.83)
CIE-LCH	lch(17.42, 33.71, 38.17°)
OKLab	oklab(29.82% 0.0754 0.0474)
OKLCH	oklch(29.82% 0.089 32.2)
XYZ	xyz(3.7728, 2.3917, 0.6437)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51170D #0D4751

analogous

#510D25 #51170D #51390D

triadic

#51170D #0D5117 #170D51

tetradic

#51170D #25510D #0D4751 #390D51

square

#51170D #25510D #0D4751 #390D51

split-complementary

#51170D #0D5139 #0D2551

monochromatic

#1A0704 #1C0805 #51170D #862615 #BA351E

Accessibility & contrast

On white

14.21

#51170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#51170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51170D

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51170D	#FFFFFF	#000000	##FFFFFF
##51170D	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27230B

Deuteranopia (green-blind)

#36300B

Tritanopia (blue-blind)

#5A0715

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51170d;
/* rgb */ color: rgb(81, 23, 13);
/* oklch */ color: oklch(29.8% 0.089 32.2);

Tailwind

colors: {
  custom: {
    50: '#88574d',
    500: '#51170d',
    950: '#000000',
  },
}

SCSS

$custom: #51170d;
$custom-light: #88574d;
$custom-dark: #000000;

JSON

{
  "hex": "#51170d",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 8.824,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29822,
    "c": 0.089,
    "h": 32.2
  },
  "luminance": 0.02391
}

Semantic roles & 50–950 ramp

primary

#51170D

secondary

#2E7E8C

accent

#D4EF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #51170D

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

Preview Lab → · Contrast checker → · Palette generator →