#51170C#51170C

#51170C is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 32.8°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#51170C
RGB	rgb(81, 23, 12)
HSL	hsl(10, 74%, 18%)
HSV	hsv(10, 85%, 32%)
CMYK	cmyk(0%, 71.6%, 85.2%, 68.2%)
CIE-LAB	lab(17.41, 26.46, 21.28)
CIE-LCH	lch(17.41, 33.96, 38.81°)
OKLab	oklab(29.81% 0.075 0.0484)
OKLCH	oklch(29.81% 0.089 32.8)
XYZ	xyz(3.7665, 2.3892, 0.6106)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51170C #0C4651

analogous

#510C23 #51170C #51390C

triadic

#51170C #0C5117 #170C51

tetradic

#51170C #23510C #0C4651 #390C51

square

#51170C #23510C #0C4651 #390C51

split-complementary

#51170C #0C5139 #0C2351

monochromatic

#1B0804 #1C0804 #51170C #862614 #BC351C

Accessibility & contrast

On white

14.21

#51170C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#51170C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51170C

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51170C	#FFFFFF	#000000	##FFFFFF
##51170C	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)

#28230A

Deuteranopia (green-blind)

#362F0A

Tritanopia (blue-blind)

#5A0715

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51170c;
/* rgb */ color: rgb(81, 23, 12);
/* oklch */ color: oklch(29.8% 0.089 32.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51170c",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 12
  },
  "hsl": {
    "h": 9.565,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.2981,
    "c": 0.08924,
    "h": 32.8
  },
  "luminance": 0.02389
}

Semantic roles & 50–950 ramp

primary

#51170C

secondary

#2C7D8C

accent

#D3F137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #51170C

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

Preview Lab → · Contrast checker → · Palette generator →