#03103A#03103A

#03103A is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.6% C 0.084 H 264.3°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#03103A
RGB	rgb(3, 16, 58)
HSL	hsl(226, 90%, 12%)
HSV	hsv(226, 95%, 23%)
CMYK	cmyk(94.8%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(6.28, 13.02, -28.54)
CIE-LCH	lch(6.28, 31.37, 294.53°)
OKLab	oklab(19.6% -0.0083 -0.0833)
OKLCH	oklch(19.6% 0.084 264.3)
XYZ	xyz(0.9863, 0.6953, 4.0844)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03103A #3A2D03

analogous

#032C3A #03103A #12033A

triadic

#03103A #3A0310 #103A03

tetradic

#03103A #3A032C #3A2D03 #033A12

square

#03103A #3A032C #3A2D03 #033A12

split-complementary

#03103A #3A1203 #2C3A03

monochromatic

#02081D #02081D #03103A #062074 #0930AE

Accessibility & contrast

On white

18.44

#03103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#03103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03103A

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03103A	#FFFFFF	#000000	##FFFFFF
##03103A	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001139

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #03103a;
/* rgb */ color: rgb(3, 16, 58);
/* oklch */ color: oklch(19.6% 0.084 264.3);

Tailwind

colors: {
  custom: {
    50: '#4e4e71',
    500: '#03103a',
    950: '#000000',
  },
}

SCSS

$custom: #03103a;
$custom-light: #4e4e71;
$custom-dark: #000000;

JSON

{
  "hex": "#03103a",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 225.818,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19598,
    "c": 0.08376,
    "h": 264.3
  },
  "luminance": 0.00695
}

Semantic roles & 50–950 ramp

primary

#03103A

secondary

#7D661C

accent

#CC29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #03103A

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

Preview Lab → · Contrast checker → · Palette generator →