#163C8A#163C8A

#163C8A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.137 H 262.4°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#163C8A
RGB	rgb(22, 60, 138)
HSL	hsl(220, 73%, 31%)
HSV	hsv(220, 84%, 54%)
CMYK	cmyk(84.1%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(27.40, 17.75, -47.16)
CIE-LCH	lch(27.40, 50.39, 290.62°)
OKLab	oklab(38.03% -0.0182 -0.1361)
OKLCH	oklch(38.03% 0.137 262.4)
XYZ	xyz(6.5325, 5.2365, 24.7063)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C8A #8A6416

analogous

#16768A #163C8A #2A168A

triadic

#163C8A #8A163C #3C8A16

tetradic

#163C8A #8A1676 #8A6416 #168A2A

square

#163C8A #8A1676 #8A6416 #168A2A

split-complementary

#163C8A #8A2A16 #768A16

monochromatic

#050E20 #0E2555 #163C8A #1E53BF #3B71E0

Accessibility & contrast

On white

10.26

#163C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#163C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C8A

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C8A	#FFFFFF	#000000	##FFFFFF
##163C8A	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163c8a;
/* rgb */ color: rgb(22, 60, 138);
/* oklch */ color: oklch(38.0% 0.137 262.4);

Tailwind

colors: {
  custom: {
    50: '#6971ad',
    500: '#163c8a',
    950: '#000000',
  },
}

SCSS

$custom: #163c8a;
$custom-light: #6971ad;
$custom-dark: #000000;

JSON

{
  "hex": "#163c8a",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 220.345,
    "s": 72.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38034,
    "c": 0.13736,
    "h": 262.4
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#163C8A

secondary

#BE943E

accent

#B339EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163C8A

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

Preview Lab → · Contrast checker → · Palette generator →