#51170E#51170E

#51170E is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 31.5°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#51170E
RGB	rgb(81, 23, 14)
HSL	hsl(8, 71%, 19%)
HSV	hsv(8, 83%, 32%)
CMYK	cmyk(0%, 71.6%, 82.7%, 68.2%)
CIE-LAB	lab(17.43, 26.55, 20.35)
CIE-LCH	lch(17.43, 33.45, 37.48°)
OKLab	oklab(29.84% 0.0757 0.0463)
OKLCH	oklch(29.84% 0.089 31.5)
XYZ	xyz(3.7794, 2.3944, 0.6785)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51170E #0E4851

analogous

#510E26 #51170E #51380E

triadic

#51170E #0E5117 #170E51

tetradic

#51170E #26510E #0E4851 #380E51

square

#51170E #26510E #0E4851 #380E51

split-complementary

#51170E #0E5138 #0E2651

monochromatic

#1A0705 #1D0805 #51170E #852617 #B93520

Accessibility & contrast

On white

14.20

#51170E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#51170E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51170E

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51170E	#FFFFFF	#000000	##FFFFFF
##51170E	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27230D

Deuteranopia (green-blind)

#36300C

Tritanopia (blue-blind)

#5A0715

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51170e;
/* rgb */ color: rgb(81, 23, 14);
/* oklch */ color: oklch(29.8% 0.089 31.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51170e",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 14
  },
  "hsl": {
    "h": 8.06,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29836,
    "c": 0.08877,
    "h": 31.5
  },
  "luminance": 0.02394
}

Semantic roles & 50–950 ramp

primary

#51170E

secondary

#2F7F8C

accent

#D5ED3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #51170E

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

Preview Lab → · Contrast checker → · Palette generator →