#163B89#163B89

#163B89 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.137 H 262.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#163B89
RGB	rgb(22, 59, 137)
HSL	hsl(221, 72%, 31%)
HSV	hsv(221, 84%, 54%)
CMYK	cmyk(83.9%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.03, 18.04, -47.14)
CIE-LCH	lch(27.03, 50.48, 290.94°)
OKLab	oklab(37.73% -0.0176 -0.1361)
OKLCH	oklch(37.73% 0.137 262.6)
XYZ	xyz(6.4086, 5.1039, 24.3094)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B89 #896416

analogous

#167489 #163B89 #2B1689

triadic

#163B89 #89163B #3B8916

tetradic

#163B89 #891674 #896416 #16892B

square

#163B89 #891674 #896416 #16892B

split-complementary

#163B89 #892B16 #748916

monochromatic

#050E20 #0E2454 #163B89 #1E52BE #3A6FDF

Accessibility & contrast

On white

10.39

#163B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#163B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B89

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B89	#FFFFFF	#000000	##FFFFFF
##163B89	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163b89;
/* rgb */ color: rgb(22, 59, 137);
/* oklch */ color: oklch(37.7% 0.137 262.6);

Tailwind

colors: {
  custom: {
    50: '#6970ac',
    500: '#163b89',
    950: '#000000',
  },
}

SCSS

$custom: #163b89;
$custom-light: #6970ac;
$custom-dark: #000000;

JSON

{
  "hex": "#163b89",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 220.696,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.13724,
    "h": 262.6
  },
  "luminance": 0.05105
}

Semantic roles & 50–950 ramp

primary

#163B89

secondary

#BD943E

accent

#B439EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163B89

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

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