#03193B#03193B

#03193B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.0% C 0.072 H 258.1°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#03193B
RGB	rgb(3, 25, 59)
HSL	hsl(216, 90%, 12%)
HSV	hsv(216, 95%, 23%)
CMYK	cmyk(94.9%, 57.6%, 0%, 76.9%)
CIE-LAB	lab(9.24, 6.79, -24.45)
CIE-LCH	lch(9.24, 25.38, 285.53°)
OKLab	oklab(21.97% -0.0148 -0.0704)
OKLCH	oklch(21.97% 0.072 258.1)
XYZ	xyz(1.1743, 1.0302, 4.2738)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03193B #3B2503

analogous

#03353B #03193B #09033B

triadic

#03193B #3B0319 #193B03

tetradic

#03193B #3B0335 #3B2503 #033B09

square

#03193B #3B0335 #3B2503 #033B09

split-complementary

#03193B #3B0903 #353B03

monochromatic

#010C1D #010C1D #03193B #063275 #094AAF

Accessibility & contrast

On white

17.41

#03193B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#03193B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03193B

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03193B	#FFFFFF	#000000	##FFFFFF
##03193B	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051D3C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #03193b;
/* rgb */ color: rgb(3, 25, 59);
/* oklch */ color: oklch(22.0% 0.072 258.1);

Tailwind

colors: {
  custom: {
    50: '#4e5571',
    500: '#03193b',
    950: '#000000',
  },
}

SCSS

$custom: #03193b;
$custom-light: #4e5571;
$custom-dark: #000000;

JSON

{
  "hex": "#03193b",
  "rgb": {
    "r": 3,
    "g": 25,
    "b": 59
  },
  "hsl": {
    "h": 216.429,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21971,
    "c": 0.07197,
    "h": 258.1
  },
  "luminance": 0.0103
}

Semantic roles & 50–950 ramp

primary

#03193B

secondary

#7E571C

accent

#AB29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #03193B

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

Preview Lab → · Contrast checker → · Palette generator →