#163C81#163C81

#163C81 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.3% C 0.124 H 261.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#163C81
RGB	rgb(22, 60, 129)
HSL	hsl(219, 71%, 30%)
HSV	hsv(219, 83%, 51%)
CMYK	cmyk(82.9%, 53.5%, 0%, 49.4%)
CIE-LAB	lab(26.70, 14.02, -42.70)
CIE-LCH	lch(26.70, 44.94, 288.18°)
OKLab	oklab(37.28% -0.0192 -0.123)
OKLCH	oklch(37.28% 0.124 261.1)
XYZ	xyz(5.9077, 4.9866, 21.4158)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C81 #815B16

analogous

#167181 #163C81 #261681

triadic

#163C81 #81163C #3C8116

tetradic

#163C81 #811671 #815B16 #168126

square

#163C81 #811671 #815B16 #168126

split-complementary

#163C81 #812616 #718116

monochromatic

#040C1A #0D244D #163C81 #1F54B5 #3570DD

Accessibility & contrast

On white

10.51

#163C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#163C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C81

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C81	#FFFFFF	#000000	##FFFFFF
##163C81	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4483

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #163c81;
/* rgb */ color: rgb(22, 60, 129);
/* oklch */ color: oklch(37.3% 0.124 261.1);

Tailwind

colors: {
  custom: {
    50: '#6671a6',
    500: '#163c81',
    950: '#000000',
  },
}

SCSS

$custom: #163c81;
$custom-light: #6671a6;
$custom-dark: #000000;

JSON

{
  "hex": "#163c81",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 129
  },
  "hsl": {
    "h": 218.692,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.12449,
    "h": 261.1
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#163C81

secondary

#B68B3D

accent

#AE3AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163C81

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

Preview Lab → · Contrast checker → · Palette generator →