#51180F#51180F

#51180F is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.0% C 0.087 H 31.5°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#51180F
RGB	rgb(81, 24, 15)
HSL	hsl(8, 69%, 19%)
HSV	hsv(8, 81%, 32%)
CMYK	cmyk(0%, 70.4%, 81.5%, 68.2%)
CIE-LAB	lab(17.63, 26.09, 20.08)
CIE-LCH	lch(17.63, 32.92, 37.58°)
OKLab	oklab(29.99% 0.0745 0.0457)
OKLCH	oklch(29.99% 0.087 31.5)
XYZ	xyz(3.8066, 2.4376, 0.7219)
Luminance	0.0244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51180F #0F4851

analogous

#510F27 #51180F #51390F

triadic

#51180F #0F5118 #180F51

tetradic

#51180F #27510F #0F4851 #390F51

square

#51180F #27510F #0F4851 #390F51

split-complementary

#51180F #0F5139 #0F2751

monochromatic

#1A0805 #1D0905 #51180F #852719 #B83722

Accessibility & contrast

On white

14.12

#51180F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#51180F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51180F

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51180F	#FFFFFF	#000000	##FFFFFF
##51180F	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28230E

Deuteranopia (green-blind)

#36300D

Tritanopia (blue-blind)

#5A0916

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #51180f;
/* rgb */ color: rgb(81, 24, 15);
/* oklch */ color: oklch(30.0% 0.087 31.5);

Tailwind

colors: {
  custom: {
    50: '#87584e',
    500: '#51180f',
    950: '#000000',
  },
}

SCSS

$custom: #51180f;
$custom-light: #87584e;
$custom-dark: #000000;

JSON

{
  "hex": "#51180f",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 15
  },
  "hsl": {
    "h": 8.182,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.2999,
    "c": 0.08743,
    "h": 31.5
  },
  "luminance": 0.02437
}

Semantic roles & 50–950 ramp

primary

#51180F

secondary

#317F8B

accent

#D4EC3C

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #51180F

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

Preview Lab → · Contrast checker → · Palette generator →