#03163B#03163B

#03163B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.076 H 260.7°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#03163B
RGB	rgb(3, 22, 59)
HSL	hsl(220, 90%, 12%)
HSV	hsv(220, 95%, 23%)
CMYK	cmyk(94.9%, 62.7%, 0%, 76.9%)
CIE-LAB	lab(8.21, 9.22, -26.13)
CIE-LCH	lch(8.21, 27.70, 289.44°)
OKLab	oklab(21.18% -0.0123 -0.0754)
OKLCH	oklch(21.18% 0.076 260.7)
XYZ	xyz(1.1136, 0.9088, 4.2535)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03163B #3B2803

analogous

#03323B #03163B #0C033B

triadic

#03163B #3B0316 #163B03

tetradic

#03163B #3B0332 #3B2803 #033B0C

square

#03163B #3B0332 #3B2803 #033B0C

split-complementary

#03163B #3B0C03 #323B03

monochromatic

#010B1D #010B1D #03163B #062C75 #0941AF

Accessibility & contrast

On white

17.77

#03163B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#03163B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03163B

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03163B	#FFFFFF	#000000	##FFFFFF
##03163B	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #03163b;
/* rgb */ color: rgb(3, 22, 59);
/* oklch */ color: oklch(21.2% 0.076 260.7);

Tailwind

colors: {
  custom: {
    50: '#4e5271',
    500: '#03163b',
    950: '#000000',
  },
}

SCSS

$custom: #03163b;
$custom-light: #4e5271;
$custom-dark: #000000;

JSON

{
  "hex": "#03163b",
  "rgb": {
    "r": 3,
    "g": 22,
    "b": 59
  },
  "hsl": {
    "h": 219.643,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21182,
    "c": 0.07644,
    "h": 260.7
  },
  "luminance": 0.00909
}

Semantic roles & 50–950 ramp

primary

#03163B

secondary

#7E5D1C

accent

#B629FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #03163B

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

Preview Lab → · Contrast checker → · Palette generator →