#180808#180808

#180808 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.0% C 0.029 H 20.8°. Best body text is #FFFFFF at 19.50:1 contrast (WCAG AA passes).

Color values

HEX	#180808
RGB	rgb(24, 8, 8)
HSL	hsl(0, 50%, 6%)
HSV	hsv(0, 67%, 9%)
CMYK	cmyk(0%, 66.7%, 66.7%, 90.6%)
CIE-LAB	lab(3.48, 5.78, 2.03)
CIE-LCH	lch(3.48, 6.13, 19.39°)
OKLab	oklab(16.02% 0.027 0.0103)
OKLCH	oklch(16.02% 0.029 20.8)
XYZ	xyz(0.5074, 0.3854, 0.2774)
Luminance	0.0039 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180808 #081818

analogous

#180810 #180808 #181008

triadic

#180808 #081808 #080818

tetradic

#180808 #101808 #081818 #100818

square

#180808 #101808 #081818 #100818

split-complementary

#180808 #081810 #081018

monochromatic

#170808 #170808 #180808 #461717 #742727

Accessibility & contrast

On white

19.50

#180808 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#180808 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180808

19.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180808	#FFFFFF	#000000	##FFFFFF
##180808	1.00	19.50	1.08	19.50
#FFFFFF	19.50	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0B08

Deuteranopia (green-blind)

#0F0E08

Tritanopia (blue-blind)

#1B0608

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #180808;
/* rgb */ color: rgb(24, 8, 8);
/* oklch */ color: oklch(16.0% 0.029 20.8);

Tailwind

colors: {
  custom: {
    50: '#544a4a',
    500: '#180808',
    950: '#000000',
  },
}

SCSS

$custom: #180808;
$custom-light: #544a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#180808",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 8
  },
  "hsl": {
    "h": 0,
    "s": 50,
    "l": 6.275
  },
  "oklch": {
    "l": 0.16023,
    "c": 0.02892,
    "h": 20.8
  },
  "luminance": 0.00385
}

Semantic roles & 50–950 ramp

primary

#180808

secondary

#285454

accent

#DADA4E

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#020101

muted

#787777

Preview Lab

Preview with #180808

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

Preview Lab → · Contrast checker → · Palette generator →