#031828#031828

#031828 is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.1% C 0.043 H 243.4°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#031828
RGB	rgb(3, 24, 40)
HSL	hsl(206, 86%, 8%)
HSV	hsv(206, 93%, 16%)
CMYK	cmyk(92.5%, 40%, 0%, 84.3%)
CIE-LAB	lab(7.46, -1.55, -13.42)
CIE-LCH	lch(7.46, 13.51, 263.42°)
OKLab	oklab(20.11% -0.0191 -0.0381)
OKLCH	oklch(20.11% 0.043 243.4)
XYZ	xyz(0.7470, 0.8257, 2.1271)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031828 #281303

analogous

#032825 #031828 #030528

triadic

#031828 #280318 #182803

tetradic

#031828 #250328 #281303 #052803

square

#031828 #250328 #281303 #052803

split-complementary

#031828 #280305 #282503

monochromatic

#02111C #02111C #031828 #073A61 #0C5C9A

Accessibility & contrast

On white

18.02

#031828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#031828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031828

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031828	#FFFFFF	#000000	##FFFFFF
##031828	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111829

Deuteranopia (green-blind)

#0B1528

Tritanopia (blue-blind)

#001C1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031828;
/* rgb */ color: rgb(3, 24, 40);
/* oklch */ color: oklch(20.1% 0.043 243.4);

Tailwind

colors: {
  custom: {
    50: '#485462',
    500: '#031828',
    950: '#000000',
  },
}

SCSS

$custom: #031828;
$custom-light: #485462;
$custom-dark: #000000;

JSON

{
  "hex": "#031828",
  "rgb": {
    "r": 3,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 205.946,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.20114,
    "c": 0.04265,
    "h": 243.4
  },
  "luminance": 0.00826
}

Semantic roles & 50–950 ramp

primary

#031828

secondary

#6C3E1B

accent

#862CFC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010205

muted

#777879

Preview Lab

Preview with #031828

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

Preview Lab → · Contrast checker → · Palette generator →