#512018#512018

#512018 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.076 H 31.2°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#512018
RGB	rgb(81, 32, 24)
HSL	hsl(8, 54%, 21%)
HSV	hsv(8, 70%, 32%)
CMYK	cmyk(0%, 60.5%, 70.4%, 68.2%)
CIE-LAB	lab(19.43, 22.29, 16.58)
CIE-LCH	lch(19.43, 27.78, 36.64°)
OKLab	oklab(31.39% 0.0647 0.0391)
OKLCH	oklch(31.39% 0.076 31.2)
XYZ	xyz(4.0751, 2.8488, 1.1993)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#512018 #184951

analogous

#51182C #512018 #513C18

triadic

#512018 #185120 #201851

tetradic

#512018 #2C5118 #184951 #3C1851

square

#512018 #2C5118 #184951 #3C1851

split-complementary

#512018 #18513C #182C51

monochromatic

#180907 #220D0A #512018 #803326 #AF4534

Accessibility & contrast

On white

13.38

#512018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#512018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #512018

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##512018	#FFFFFF	#000000	##FFFFFF
##512018	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2817

Deuteranopia (green-blind)

#393317

Tritanopia (blue-blind)

#59171E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #512018;
/* rgb */ color: rgb(81, 32, 24);
/* oklch */ color: oklch(31.4% 0.076 31.2);

Tailwind

colors: {
  custom: {
    50: '#865d55',
    500: '#512018',
    950: '#000000',
  },
}

SCSS

$custom: #512018;
$custom-light: #865d55;
$custom-dark: #000000;

JSON

{
  "hex": "#512018",
  "rgb": {
    "r": 81,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 8.421,
    "s": 54.286,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31389,
    "c": 0.07562,
    "h": 31.2
  },
  "luminance": 0.02848
}

Semantic roles & 50–950 ramp

primary

#512018

secondary

#3D7D88

accent

#C9DE4A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #512018

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

Preview Lab → · Contrast checker → · Palette generator →