#03143A#03143A

#03143A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.078 H 261.9°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#03143A
RGB	rgb(3, 20, 58)
HSL	hsl(221, 90%, 12%)
HSV	hsv(221, 95%, 23%)
CMYK	cmyk(94.8%, 65.5%, 0%, 77.3%)
CIE-LAB	lab(7.45, 10.31, -26.63)
CIE-LCH	lch(7.45, 28.56, 291.17°)
OKLab	oklab(20.57% -0.011 -0.077)
OKLCH	oklch(20.57% 0.078 261.9)
XYZ	xyz(1.0512, 0.8250, 4.1060)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03143A #3A2903

analogous

#03303A #03143A #0E033A

triadic

#03143A #3A0314 #143A03

tetradic

#03143A #3A0330 #3A2903 #033A0E

square

#03143A #3A0330 #3A2903 #033A0E

split-complementary

#03143A #3A0E03 #303A03

monochromatic

#020A1D #020A1D #03143A #062874 #093CAE

Accessibility & contrast

On white

18.03

#03143A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#03143A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03143A

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03143A	#FFFFFF	#000000	##FFFFFF
##03143A	1.00	18.03	1.17	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #03143a;
/* rgb */ color: rgb(3, 20, 58);
/* oklch */ color: oklch(20.6% 0.078 261.9);

Tailwind

colors: {
  custom: {
    50: '#4e5070',
    500: '#03143a',
    950: '#000000',
  },
}

SCSS

$custom: #03143a;
$custom-light: #4e5070;
$custom-dark: #000000;

JSON

{
  "hex": "#03143a",
  "rgb": {
    "r": 3,
    "g": 20,
    "b": 58
  },
  "hsl": {
    "h": 221.455,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2057,
    "c": 0.07783,
    "h": 261.9
  },
  "luminance": 0.00825
}

Semantic roles & 50–950 ramp

primary

#03143A

secondary

#7D5F1C

accent

#BD29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #03143A

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

Preview Lab → · Contrast checker → · Palette generator →