#03111B#03111B

#03111B is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.0% C 0.030 H 238.9°. Best body text is #FFFFFF at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#03111B
RGB	rgb(3, 17, 27)
HSL	hsl(205, 80%, 6%)
HSV	hsv(205, 89%, 11%)
CMYK	cmyk(88.9%, 37%, 0%, 89.4%)
CIE-LAB	lab(4.51, -1.59, -8.01)
CIE-LCH	lch(4.51, 8.16, 258.78°)
OKLab	oklab(16.98% -0.0156 -0.0259)
OKLCH	oklch(16.98% 0.03 238.9)
XYZ	xyz(0.4358, 0.4993, 1.1101)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03111B #1B0D03

analogous

#031B19 #03111B #03051B

triadic

#03111B #1B0311 #111B03

tetradic

#03111B #19031B #1B0D03 #051B03

square

#03111B #19031B #1B0D03 #051B03

split-complementary

#03111B #1B0305 #1B1903

monochromatic

#03111C #03111C #03111C #093452 #0F5689

Accessibility & contrast

On white

19.09

#03111B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#03111B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03111B

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03111B	#FFFFFF	#000000	##FFFFFF
##03111B	1.00	19.09	1.10	19.09
#FFFFFF	19.09	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C111B

Deuteranopia (green-blind)

#090E1B

Tritanopia (blue-blind)

#001414

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #03111b;
/* rgb */ color: rgb(3, 17, 27);
/* oklch */ color: oklch(17.0% 0.030 238.9);

Tailwind

colors: {
  custom: {
    50: '#474f57',
    500: '#03111b',
    950: '#000000',
  },
}

SCSS

$custom: #03111b;
$custom-light: #474f57;
$custom-dark: #000000;

JSON

{
  "hex": "#03111b",
  "rgb": {
    "r": 3,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 205,
    "s": 80,
    "l": 5.882
  },
  "oklch": {
    "l": 0.16979,
    "c": 0.03021,
    "h": 238.9
  },
  "luminance": 0.00499
}

Semantic roles & 50–950 ramp

primary

#03111B

secondary

#5F371B

accent

#8331F6

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #03111B

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

Preview Lab → · Contrast checker → · Palette generator →