#163E81#163E81

#163E81 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.7% C 0.122 H 260.2°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#163E81
RGB	rgb(22, 62, 129)
HSL	hsl(218, 71%, 30%)
HSV	hsv(218, 83%, 51%)
CMYK	cmyk(82.9%, 51.9%, 0%, 49.4%)
CIE-LAB	lab(27.30, 12.62, -41.72)
CIE-LCH	lch(27.30, 43.59, 286.83°)
OKLab	oklab(37.74% -0.0207 -0.1201)
OKLCH	oklch(37.74% 0.122 260.2)
XYZ	xyz(6.0145, 5.2001, 21.4513)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163E81 #815916

analogous

#167481 #163E81 #231681

triadic

#163E81 #81163E #3E8116

tetradic

#163E81 #811674 #815916 #168123

square

#163E81 #811674 #815916 #168123

split-complementary

#163E81 #812316 #748116

monochromatic

#040D1A #0D254D #163E81 #1F57B5 #3574DD

Accessibility & contrast

On white

10.29

#163E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#163E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163E81

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163E81	#FFFFFF	#000000	##FFFFFF
##163E81	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144683

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163e81;
/* rgb */ color: rgb(22, 62, 129);
/* oklch */ color: oklch(37.7% 0.122 260.2);

Tailwind

colors: {
  custom: {
    50: '#6672a6',
    500: '#163e81',
    950: '#000000',
  },
}

SCSS

$custom: #163e81;
$custom-light: #6672a6;
$custom-dark: #000000;

JSON

{
  "hex": "#163e81",
  "rgb": {
    "r": 22,
    "g": 62,
    "b": 129
  },
  "hsl": {
    "h": 217.57,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37738,
    "c": 0.12189,
    "h": 260.2
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#163E81

secondary

#B6893D

accent

#AB3AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #163E81

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

Preview Lab → · Contrast checker → · Palette generator →