#04163F#04163F

#04163F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.6% C 0.082 H 262.5°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#04163F
RGB	rgb(4, 22, 63)
HSL	hsl(222, 88%, 13%)
HSV	hsv(222, 94%, 25%)
CMYK	cmyk(93.7%, 65.1%, 0%, 75.3%)
CIE-LAB	lab(8.64, 11.31, -28.27)
CIE-LCH	lch(8.64, 30.45, 291.79°)
OKLab	oklab(21.64% -0.0108 -0.0817)
OKLCH	oklch(21.64% 0.082 262.5)
XYZ	xyz(1.2339, 0.9584, 4.8216)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04163F #3F2D04

analogous

#04333F #04163F #0F043F

triadic

#04163F #3F0416 #163F04

tetradic

#04163F #3F0433 #3F2D04 #043F0F

square

#04163F #3F0433 #3F2D04 #043F0F

split-complementary

#04163F #3F0F04 #333F04

monochromatic

#020A1D #020A1D #04163F #082A79 #0B3EB2

Accessibility & contrast

On white

17.62

#04163F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#04163F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04163F

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04163F	#FFFFFF	#000000	##FFFFFF
##04163F	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C40

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #04163f;
/* rgb */ color: rgb(4, 22, 63);
/* oklch */ color: oklch(21.6% 0.082 262.5);

Tailwind

colors: {
  custom: {
    50: '#505274',
    500: '#04163f',
    950: '#000000',
  },
}

SCSS

$custom: #04163f;
$custom-light: #505274;
$custom-dark: #000000;

JSON

{
  "hex": "#04163f",
  "rgb": {
    "r": 4,
    "g": 22,
    "b": 63
  },
  "hsl": {
    "h": 221.695,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21643,
    "c": 0.08244,
    "h": 262.5
  },
  "luminance": 0.00959
}

Semantic roles & 50–950 ramp

primary

#04163F

secondary

#80621E

accent

#BD2AFE

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #04163F

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

Preview Lab → · Contrast checker → · Palette generator →