#031818#031818

#031818 is a very dark, muted teal. Relative luminance 0.007; OKLCH L 19.1% C 0.028 H 195.1°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#031818
RGB	rgb(3, 24, 24)
HSL	hsl(180, 78%, 5%)
HSV	hsv(180, 88%, 9%)
CMYK	cmyk(87.5%, 0%, 0%, 90.6%)
CIE-LAB	lab(6.67, -7.08, -2.50)
CIE-LCH	lch(6.67, 7.51, 199.40°)
OKLab	oklab(19.15% -0.0272 -0.0073)
OKLCH	oklch(19.15% 0.028 195.1)
XYZ	xyz(0.5290, 0.7385, 0.9786)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031818 #180303

analogous

#03180D #031818 #030D18

triadic

#031818 #180318 #181803

tetradic

#031818 #0D0318 #180303 #0D1803

square

#031818 #0D0318 #180303 #0D1803

split-complementary

#031818 #18030D #180D03

monochromatic

#031B1B #031B1B #031B1B #0A4E4E #118585

Accessibility & contrast

On white

18.30

#031818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#031818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031818

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031818	#FFFFFF	#000000	##FFFFFF
##031818	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161618

Deuteranopia (green-blind)

#121418

Tritanopia (blue-blind)

#001918

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #031818;
/* rgb */ color: rgb(3, 24, 24);
/* oklch */ color: oklch(19.1% 0.028 195.1);

Tailwind

colors: {
  custom: {
    50: '#475454',
    500: '#031818',
    950: '#000000',
  },
}

SCSS

$custom: #031818;
$custom-light: #475454;
$custom-dark: #000000;

JSON

{
  "hex": "#031818",
  "rgb": {
    "r": 3,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 180,
    "s": 77.778,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19146,
    "c": 0.02818,
    "h": 195.1
  },
  "luminance": 0.00739
}

Semantic roles & 50–950 ramp

primary

#031818

secondary

#5C1B1B

accent

#3434F4

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000202

muted

#777878

Preview Lab

Preview with #031818

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

Preview Lab → · Contrast checker → · Palette generator →