#03102A#03102A

#03102A is a very dark, muted blue. Relative luminance 0.006; OKLCH L 17.9% C 0.057 H 260.2°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#03102A
RGB	rgb(3, 16, 42)
HSL	hsl(220, 87%, 9%)
HSV	hsv(220, 93%, 16%)
CMYK	cmyk(92.9%, 61.9%, 0%, 83.5%)
CIE-LAB	lab(5.03, 4.55, -18.73)
CIE-LCH	lch(5.03, 19.28, 283.66°)
OKLab	oklab(17.92% -0.0097 -0.0562)
OKLCH	oklch(17.92% 0.057 260.2)
XYZ	xyz(0.6406, 0.5570, 2.2638)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03102A #2A1D03

analogous

#03242A #03102A #0A032A

triadic

#03102A #2A0310 #102A03

tetradic

#03102A #2A0324 #2A1D03 #032A0A

square

#03102A #2A0324 #2A1D03 #032A0A

split-complementary

#03102A #2A0A03 #242A03

monochromatic

#020B1D #020B1D #03102A #072663 #0B3C9C

Accessibility & contrast

On white

18.90

#03102A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#03102A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03102A

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03102A	#FFFFFF	#000000	##FFFFFF
##03102A	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03132B

Deuteranopia (green-blind)

#000F29

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #03102a;
/* rgb */ color: rgb(3, 16, 42);
/* oklch */ color: oklch(17.9% 0.057 260.2);

Tailwind

colors: {
  custom: {
    50: '#494e63',
    500: '#03102a',
    950: '#000000',
  },
}

SCSS

$custom: #03102a;
$custom-light: #494e63;
$custom-dark: #000000;

JSON

{
  "hex": "#03102a",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 42
  },
  "hsl": {
    "h": 220,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17916,
    "c": 0.05706,
    "h": 260.2
  },
  "luminance": 0.00557
}

Semantic roles & 50–950 ramp

primary

#03102A

secondary

#6E521B

accent

#B72BFD

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #03102A

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

Preview Lab → · Contrast checker → · Palette generator →