#03153F#03153F

#03153F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.084 H 262.3°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#03153F
RGB	rgb(3, 21, 63)
HSL	hsl(222, 91%, 13%)
HSV	hsv(222, 95%, 25%)
CMYK	cmyk(95.2%, 66.7%, 0%, 75.3%)
CIE-LAB	lab(8.26, 11.95, -28.90)
CIE-LCH	lch(8.26, 31.28, 292.47°)
OKLab	oklab(21.34% -0.0113 -0.0836)
OKLCH	oklch(21.34% 0.084 262.3)
XYZ	xyz(1.2026, 0.9144, 4.8148)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03153F #3F2D03

analogous

#03333F #03153F #0F033F

triadic

#03153F #3F0315 #153F03

tetradic

#03153F #3F0333 #3F2D03 #033F0F

square

#03153F #3F0333 #3F2D03 #033F0F

split-complementary

#03153F #3F0F03 #333F03

monochromatic

#010A1D #010A1D #03153F #062879 #093CB4

Accessibility & contrast

On white

17.75

#03153F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#03153F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03153F

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03153F	#FFFFFF	#000000	##FFFFFF
##03153F	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00153E

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #03153f;
/* rgb */ color: rgb(3, 21, 63);
/* oklch */ color: oklch(21.3% 0.084 262.3);

Tailwind

colors: {
  custom: {
    50: '#505174',
    500: '#03153f',
    950: '#000000',
  },
}

SCSS

$custom: #03153f;
$custom-light: #505174;
$custom-dark: #000000;

JSON

{
  "hex": "#03153f",
  "rgb": {
    "r": 3,
    "g": 21,
    "b": 63
  },
  "hsl": {
    "h": 222,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21339,
    "c": 0.08437,
    "h": 262.3
  },
  "luminance": 0.00915
}

Semantic roles & 50–950 ramp

primary

#03153F

secondary

#81631D

accent

#BF29FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #03153F

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

Preview Lab → · Contrast checker → · Palette generator →