#05163B#05163B

#05163B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.075 H 262.4°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#05163B
RGB	rgb(5, 22, 59)
HSL	hsl(221, 84%, 13%)
HSV	hsv(221, 92%, 23%)
CMYK	cmyk(91.5%, 62.7%, 0%, 76.9%)
CIE-LAB	lab(8.32, 9.57, -25.93)
CIE-LCH	lch(8.32, 27.64, 290.26°)
OKLab	oklab(21.3% -0.01 -0.0748)
OKLCH	oklch(21.3% 0.075 262.4)
XYZ	xyz(1.1386, 0.9217, 4.2547)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05163B #3B2A05

analogous

#05313B #05163B #0F053B

triadic

#05163B #3B0516 #163B05

tetradic

#05163B #3B0531 #3B2A05 #053B0F

square

#05163B #3B0531 #3B2A05 #053B0F

split-complementary

#05163B #3B0F05 #313B05

monochromatic

#020B1C #020B1C #05163B #0A2B73 #0F40AC

Accessibility & contrast

On white

17.73

#05163B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#05163B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05163B

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05163B	#FFFFFF	#000000	##FFFFFF
##05163B	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #05163b;
/* rgb */ color: rgb(5, 22, 59);
/* oklch */ color: oklch(21.3% 0.075 262.4);

Tailwind

colors: {
  custom: {
    50: '#4f5271',
    500: '#05163b',
    950: '#000000',
  },
}

SCSS

$custom: #05163b;
$custom-light: #4f5271;
$custom-dark: #000000;

JSON

{
  "hex": "#05163b",
  "rgb": {
    "r": 5,
    "g": 22,
    "b": 59
  },
  "hsl": {
    "h": 221.111,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21301,
    "c": 0.07549,
    "h": 262.4
  },
  "luminance": 0.00922
}

Semantic roles & 50–950 ramp

primary

#05163B

secondary

#7C5F20

accent

#BA2DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #05163B

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

Preview Lab → · Contrast checker → · Palette generator →