#03104E#03104E

#03104E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.114 H 265.3°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#03104E
RGB	rgb(3, 16, 78)
HSL	hsl(230, 93%, 16%)
HSV	hsv(230, 96%, 31%)
CMYK	cmyk(96.2%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(8.48, 22.56, -39.06)
CIE-LCH	lch(8.48, 45.10, 300.01°)
OKLab	oklab(22.01% -0.0093 -0.1133)
OKLCH	oklch(22.01% 0.114 265.3)
XYZ	xyz(1.5975, 0.9398, 7.3034)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03104E #4E4103

analogous

#03354E #03104E #1B034E

triadic

#03104E #4E0310 #104E03

tetradic

#03104E #4E0335 #4E4103 #034E1B

square

#03104E #4E0335 #4E4103 #034E1B

split-complementary

#03104E #4E1B03 #354E03

monochromatic

#01061D #01061D #03104E #051C89 #0828C4

Accessibility & contrast

On white

17.68

#03104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#03104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03104E

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03104E	#FFFFFF	#000000	##FFFFFF
##03104E	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00154D

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #03104e;
/* rgb */ color: rgb(3, 16, 78);
/* oklch */ color: oklch(22.0% 0.114 265.3);

Tailwind

colors: {
  custom: {
    50: '#564e80',
    500: '#03104e',
    950: '#000000',
  },
}

SCSS

$custom: #03104e;
$custom-light: #564e80;
$custom-dark: #000000;

JSON

{
  "hex": "#03104e",
  "rgb": {
    "r": 3,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 229.6,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2201,
    "c": 0.11368,
    "h": 265.3
  },
  "luminance": 0.0094
}

Semantic roles & 50–950 ramp

primary

#03104E

secondary

#8E7B1E

accent

#DA29FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #03104E

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

Preview Lab → · Contrast checker → · Palette generator →