#163F89#163F89

#163F89 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.132 H 261.1°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#163F89
RGB	rgb(22, 63, 137)
HSL	hsl(219, 72%, 31%)
HSV	hsv(219, 84%, 54%)
CMYK	cmyk(83.9%, 54%, 0%, 46.3%)
CIE-LAB	lab(28.20, 15.24, -45.25)
CIE-LCH	lch(28.20, 47.74, 288.61°)
OKLab	oklab(38.62% -0.0204 -0.1304)
OKLCH	oklch(38.62% 0.132 261.1)
XYZ	xyz(6.6221, 5.5309, 24.3806)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F89 #896016

analogous

#167889 #163F89 #271689

triadic

#163F89 #89163F #3F8916

tetradic

#163F89 #891678 #896016 #168927

square

#163F89 #891678 #896016 #168927

split-complementary

#163F89 #892716 #788916

monochromatic

#050F20 #0E2754 #163F89 #1E57BE #3A75DF

Accessibility & contrast

On white

9.97

#163F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#163F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F89

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F89	#FFFFFF	#000000	##FFFFFF
##163F89	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08488C

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #163f89;
/* rgb */ color: rgb(22, 63, 137);
/* oklch */ color: oklch(38.6% 0.132 261.1);

Tailwind

colors: {
  custom: {
    50: '#6873ac',
    500: '#163f89',
    950: '#000000',
  },
}

SCSS

$custom: #163f89;
$custom-light: #6873ac;
$custom-dark: #000000;

JSON

{
  "hex": "#163f89",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 137
  },
  "hsl": {
    "h": 218.609,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38615,
    "c": 0.13204,
    "h": 261.1
  },
  "luminance": 0.05532
}

Semantic roles & 50–950 ramp

primary

#163F89

secondary

#BD903E

accent

#AE39EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #163F89

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

Preview Lab → · Contrast checker → · Palette generator →