#03102C#03102C

#03102C is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.1% C 0.061 H 261.1°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#03102C
RGB	rgb(3, 16, 44)
HSL	hsl(221, 87%, 9%)
HSV	hsv(221, 93%, 17%)
CMYK	cmyk(93.2%, 63.6%, 0%, 82.7%)
CIE-LAB	lab(5.16, 5.49, -20.03)
CIE-LCH	lch(5.16, 20.76, 285.32°)
OKLab	oklab(18.11% -0.0094 -0.0598)
OKLCH	oklch(18.11% 0.061 261.1)
XYZ	xyz(0.6773, 0.5717, 2.4570)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03102C #2C1F03

analogous

#03252C #03102C #0B032C

triadic

#03102C #2C0310 #102C03

tetradic

#03102C #2C0325 #2C1F03 #032C0B

square

#03102C #2C0325 #2C1F03 #032C0B

split-complementary

#03102C #2C0B03 #252C03

monochromatic

#020A1D #020A1D #03102C #072565 #0B3A9F

Accessibility & contrast

On white

18.84

#03102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#03102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03102C

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03102C	#FFFFFF	#000000	##FFFFFF
##03102C	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01132D

Deuteranopia (green-blind)

#000F2B

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #03102c;
/* rgb */ color: rgb(3, 16, 44);
/* oklch */ color: oklch(18.1% 0.061 261.1);

Tailwind

colors: {
  custom: {
    50: '#494e65',
    500: '#03102c',
    950: '#000000',
  },
}

SCSS

$custom: #03102c;
$custom-light: #494e65;
$custom-dark: #000000;

JSON

{
  "hex": "#03102c",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 220.976,
    "s": 87.234,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1811,
    "c": 0.06053,
    "h": 261.1
  },
  "luminance": 0.00572
}

Semantic roles & 50–950 ramp

primary

#03102C

secondary

#70551B

accent

#BB2AFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #03102C

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

Preview Lab → · Contrast checker → · Palette generator →