#163B88#163B88

#163B88 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.136 H 262.5°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#163B88
RGB	rgb(22, 59, 136)
HSL	hsl(221, 72%, 31%)
HSV	hsv(221, 84%, 53%)
CMYK	cmyk(83.8%, 56.6%, 0%, 46.7%)
CIE-LAB	lab(26.95, 17.63, -46.65)
CIE-LCH	lch(26.95, 49.87, 290.70°)
OKLab	oklab(37.64% -0.0177 -0.1347)
OKLCH	oklch(37.64% 0.136 262.5)
XYZ	xyz(6.3372, 5.0753, 23.9334)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B88 #886316

analogous

#167488 #163B88 #2A1688

triadic

#163B88 #88163B #3B8816

tetradic

#163B88 #881674 #886316 #16882A

square

#163B88 #881674 #886316 #16882A

split-complementary

#163B88 #882A16 #748816

monochromatic

#050D1F #0D2453 #163B88 #1F52BD #396FDF

Accessibility & contrast

On white

10.42

#163B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#163B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B88

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B88	#FFFFFF	#000000	##FFFFFF
##163B88	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163b88;
/* rgb */ color: rgb(22, 59, 136);
/* oklch */ color: oklch(37.6% 0.136 262.5);

Tailwind

colors: {
  custom: {
    50: '#6870ab',
    500: '#163b88',
    950: '#000000',
  },
}

SCSS

$custom: #163b88;
$custom-light: #6870ab;
$custom-dark: #000000;

JSON

{
  "hex": "#163b88",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 220.526,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37643,
    "c": 0.13582,
    "h": 262.5
  },
  "luminance": 0.05076
}

Semantic roles & 50–950 ramp

primary

#163B88

secondary

#BC933E

accent

#B439EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163B88

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

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