#03112B#03112B

#03112B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.3% C 0.057 H 259.4°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#03112B
RGB	rgb(3, 17, 43)
HSL	hsl(219, 87%, 9%)
HSV	hsv(219, 93%, 17%)
CMYK	cmyk(93%, 60.5%, 0%, 83.1%)
CIE-LAB	lab(5.37, 4.45, -18.95)
CIE-LCH	lch(5.37, 19.47, 283.23°)
OKLab	oklab(18.29% -0.0105 -0.0563)
OKLCH	oklch(18.29% 0.057 259.4)
XYZ	xyz(0.6739, 0.5946, 2.3643)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03112B #2B1D03

analogous

#03252B #03112B #09032B

triadic

#03112B #2B0311 #112B03

tetradic

#03112B #2B0325 #2B1D03 #032B09

square

#03112B #2B0325 #2B1D03 #032B09

split-complementary

#03112B #2B0903 #252B03

monochromatic

#020B1D #020B1D #03112B #072864 #0B3E9D

Accessibility & contrast

On white

18.77

#03112B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#03112B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03112B

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03112B	#FFFFFF	#000000	##FFFFFF
##03112B	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04142C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #03112b;
/* rgb */ color: rgb(3, 17, 43);
/* oklch */ color: oklch(18.3% 0.057 259.4);

Tailwind

colors: {
  custom: {
    50: '#494f64',
    500: '#03112b',
    950: '#000000',
  },
}

SCSS

$custom: #03112b;
$custom-light: #494f64;
$custom-dark: #000000;

JSON

{
  "hex": "#03112b",
  "rgb": {
    "r": 3,
    "g": 17,
    "b": 43
  },
  "hsl": {
    "h": 219,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18291,
    "c": 0.05724,
    "h": 259.4
  },
  "luminance": 0.00595
}

Semantic roles & 50–950 ramp

primary

#03112B

secondary

#6F511B

accent

#B32BFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #03112B

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

Preview Lab → · Contrast checker → · Palette generator →