#03193F#03193F

#03193F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.3% C 0.078 H 259.6°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#03193F
RGB	rgb(3, 25, 63)
HSL	hsl(218, 91%, 13%)
HSV	hsv(218, 95%, 25%)
CMYK	cmyk(95.2%, 60.3%, 0%, 75.3%)
CIE-LAB	lab(9.59, 8.73, -26.74)
CIE-LCH	lch(9.59, 28.13, 288.08°)
OKLab	oklab(22.35% -0.0141 -0.0772)
OKLCH	oklch(22.35% 0.078 259.6)
XYZ	xyz(1.2821, 1.0733, 4.8413)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03193F #3F2903

analogous

#03373F #03193F #0B033F

triadic

#03193F #3F0319 #193F03

tetradic

#03193F #3F0337 #3F2903 #033F0B

square

#03193F #3F0337 #3F2903 #033F0B

split-complementary

#03193F #3F0B03 #373F03

monochromatic

#010C1D #010C1D #03193F #063079 #0947B4

Accessibility & contrast

On white

17.29

#03193F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#03193F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03193F

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03193F	#FFFFFF	#000000	##FFFFFF
##03193F	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011E40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #03193f;
/* rgb */ color: rgb(3, 25, 63);
/* oklch */ color: oklch(22.3% 0.078 259.6);

Tailwind

colors: {
  custom: {
    50: '#505574',
    500: '#03193f',
    950: '#000000',
  },
}

SCSS

$custom: #03193f;
$custom-light: #505574;
$custom-dark: #000000;

JSON

{
  "hex": "#03193f",
  "rgb": {
    "r": 3,
    "g": 25,
    "b": 63
  },
  "hsl": {
    "h": 218,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22346,
    "c": 0.07844,
    "h": 259.6
  },
  "luminance": 0.01074
}

Semantic roles & 50–950 ramp

primary

#03193F

secondary

#815C1D

accent

#B029FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #03193F

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

Preview Lab → · Contrast checker → · Palette generator →