#163F88#163F88

#163F88 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.131 H 260.9°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#163F88
RGB	rgb(22, 63, 136)
HSL	hsl(218, 72%, 31%)
HSV	hsv(218, 84%, 53%)
CMYK	cmyk(83.8%, 53.7%, 0%, 46.7%)
CIE-LAB	lab(28.12, 14.82, -44.75)
CIE-LCH	lch(28.12, 47.14, 288.33°)
OKLab	oklab(38.53% -0.0206 -0.129)
OKLCH	oklch(38.53% 0.131 260.9)
XYZ	xyz(6.5507, 5.5024, 24.0046)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F88 #885F16

analogous

#167888 #163F88 #261688

triadic

#163F88 #88163F #3F8816

tetradic

#163F88 #881678 #885F16 #168826

square

#163F88 #881678 #885F16 #168826

split-complementary

#163F88 #882616 #788816

monochromatic

#050E1F #0D2753 #163F88 #1F57BD #3975DF

Accessibility & contrast

On white

10.00

#163F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#163F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F88

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F88	#FFFFFF	#000000	##FFFFFF
##163F88	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A488B

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163f88;
/* rgb */ color: rgb(22, 63, 136);
/* oklch */ color: oklch(38.5% 0.131 260.9);

Tailwind

colors: {
  custom: {
    50: '#6873ab',
    500: '#163f88',
    950: '#000000',
  },
}

SCSS

$custom: #163f88;
$custom-light: #6873ab;
$custom-dark: #000000;

JSON

{
  "hex": "#163f88",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 136
  },
  "hsl": {
    "h": 218.421,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38533,
    "c": 0.13062,
    "h": 260.9
  },
  "luminance": 0.05503
}

Semantic roles & 50–950 ramp

primary

#163F88

secondary

#BC8F3E

accent

#AD39EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #163F88

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

Preview Lab → · Contrast checker → · Palette generator →