#163D89#163D89

#163D89 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.135 H 261.9°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#163D89
RGB	rgb(22, 61, 137)
HSL	hsl(220, 72%, 31%)
HSV	hsv(220, 84%, 54%)
CMYK	cmyk(83.9%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(27.61, 16.64, -46.20)
CIE-LCH	lch(27.61, 49.10, 289.80°)
OKLab	oklab(38.17% -0.019 -0.1333)
OKLCH	oklch(38.17% 0.135 261.9)
XYZ	xyz(6.5133, 5.3134, 24.3444)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D89 #896216

analogous

#167689 #163D89 #281689

triadic

#163D89 #89163D #3D8916

tetradic

#163D89 #891676 #896216 #168928

square

#163D89 #891676 #896216 #168928

split-complementary

#163D89 #892816 #768916

monochromatic

#050E20 #0E2654 #163D89 #1E54BE #3A72DF

Accessibility & contrast

On white

10.18

#163D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#163D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D89

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D89	#FFFFFF	#000000	##FFFFFF
##163D89	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478C

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163d89;
/* rgb */ color: rgb(22, 61, 137);
/* oklch */ color: oklch(38.2% 0.135 261.9);

Tailwind

colors: {
  custom: {
    50: '#6971ac',
    500: '#163d89',
    950: '#000000',
  },
}

SCSS

$custom: #163d89;
$custom-light: #6971ac;
$custom-dark: #000000;

JSON

{
  "hex": "#163d89",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 219.652,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38169,
    "c": 0.13464,
    "h": 261.9
  },
  "luminance": 0.05314
}

Semantic roles & 50–950 ramp

primary

#163D89

secondary

#BD923E

accent

#B139EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163D89

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

Preview Lab → · Contrast checker → · Palette generator →