#03122B#03122B

#03122B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.056 H 258.1°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#03122B
RGB	rgb(3, 18, 43)
HSL	hsl(218, 87%, 9%)
HSV	hsv(218, 93%, 17%)
CMYK	cmyk(93%, 58.1%, 0%, 83.1%)
CIE-LAB	lab(5.66, 3.87, -18.50)
CIE-LCH	lch(5.66, 18.90, 281.81°)
OKLab	oklab(18.57% -0.0115 -0.0545)
OKLCH	oklch(18.57% 0.056 258.1)
XYZ	xyz(0.6897, 0.6263, 2.3696)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03122B #2B1C03

analogous

#03262B #03122B #08032B

triadic

#03122B #2B0312 #122B03

tetradic

#03122B #2B0326 #2B1C03 #032B08

square

#03122B #2B0326 #2B1C03 #032B08

split-complementary

#03122B #2B0803 #262B03

monochromatic

#020C1D #020C1D #03122B #072A64 #0B429D

Accessibility & contrast

On white

18.66

#03122B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#03122B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03122B

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03122B	#FFFFFF	#000000	##FFFFFF
##03122B	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05152C

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#00181C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #03122b;
/* rgb */ color: rgb(3, 18, 43);
/* oklch */ color: oklch(18.6% 0.056 258.1);

Tailwind

colors: {
  custom: {
    50: '#494f64',
    500: '#03122b',
    950: '#000000',
  },
}

SCSS

$custom: #03122b;
$custom-light: #494f64;
$custom-dark: #000000;

JSON

{
  "hex": "#03122b",
  "rgb": {
    "r": 3,
    "g": 18,
    "b": 43
  },
  "hsl": {
    "h": 217.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18573,
    "c": 0.0557,
    "h": 258.1
  },
  "luminance": 0.00626
}

Semantic roles & 50–950 ramp

primary

#03122B

secondary

#6F4F1B

accent

#AE2BFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #03122B

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

Preview Lab → · Contrast checker → · Palette generator →