#163D8E#163D8E

#163D8E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.142 H 262.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#163D8E
RGB	rgb(22, 61, 142)
HSL	hsl(221, 73%, 32%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(84.5%, 57%, 0%, 44.3%)
CIE-LAB	lab(28.01, 18.69, -48.64)
CIE-LCH	lch(28.01, 52.11, 291.02°)
OKLab	oklab(38.6% -0.0185 -0.1405)
OKLCH	oklch(38.6% 0.142 262.5)
XYZ	xyz(6.8803, 5.4602, 26.2772)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D8E #8E6716

analogous

#16798E #163D8E #2B168E

triadic

#163D8E #8E163D #3D8E16

tetradic

#163D8E #8E1679 #8E6716 #168E2B

square

#163D8E #8E1679 #8E6716 #168E2B

split-complementary

#163D8E #8E2B16 #798E16

monochromatic

#060F24 #0E2659 #163D8E #1E54C3 #3D73E1

Accessibility & contrast

On white

10.04

#163D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#163D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D8E

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D8E	#FFFFFF	#000000	##FFFFFF
##163D8E	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163d8e;
/* rgb */ color: rgb(22, 61, 142);
/* oklch */ color: oklch(38.6% 0.142 262.5);

Tailwind

colors: {
  custom: {
    50: '#6a71b0',
    500: '#163d8e',
    950: '#000000',
  },
}

SCSS

$custom: #163d8e;
$custom-light: #6a71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163d8e",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 142
  },
  "hsl": {
    "h": 220.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38596,
    "c": 0.1417,
    "h": 262.5
  },
  "luminance": 0.05461
}

Semantic roles & 50–950 ramp

primary

#163D8E

secondary

#C1973F

accent

#B438F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #163D8E

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

Preview Lab → · Contrast checker → · Palette generator →