#03102E#03102E

#03102E is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.064 H 261.8°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#03102E
RGB	rgb(3, 16, 46)
HSL	hsl(222, 88%, 10%)
HSV	hsv(222, 93%, 18%)
CMYK	cmyk(93.5%, 65.2%, 0%, 82%)
CIE-LAB	lab(5.30, 6.46, -21.30)
CIE-LCH	lch(5.30, 22.26, 286.88°)
OKLab	oklab(18.31% -0.0091 -0.0633)
OKLCH	oklch(18.31% 0.064 261.8)
XYZ	xyz(0.7158, 0.5871, 2.6598)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.91

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03102E #2E2103

analogous

#03262E #03102E #0B032E

triadic

#03102E #2E0310 #102E03

tetradic

#03102E #2E0326 #2E2103 #032E0B

square

#03102E #2E0326 #2E2103 #032E0B

split-complementary

#03102E #2E0B03 #262E03

monochromatic

#020A1D #020A1D #03102E #072467 #0A38A1

Accessibility & contrast

On white

18.79

#03102E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#03102E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03102E

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03102E	#FFFFFF	#000000	##FFFFFF
##03102E	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00142F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #03102e;
/* rgb */ color: rgb(3, 16, 46);
/* oklch */ color: oklch(18.3% 0.064 261.8);

Tailwind

colors: {
  custom: {
    50: '#4a4e67',
    500: '#03102e',
    950: '#000000',
  },
}

SCSS

$custom: #03102e;
$custom-light: #4a4e67;
$custom-dark: #000000;

JSON

{
  "hex": "#03102e",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 46
  },
  "hsl": {
    "h": 221.86,
    "s": 87.755,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18309,
    "c": 0.06397,
    "h": 261.8
  },
  "luminance": 0.00587
}

Semantic roles & 50–950 ramp

primary

#03102E

secondary

#72571B

accent

#BE2AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #03102E

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

Preview Lab → · Contrast checker → · Palette generator →