#163A8F#163A8F

#163A8F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.147 H 263.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#163A8F
RGB	rgb(22, 58, 143)
HSL	hsl(222, 73%, 32%)
HSV	hsv(222, 85%, 56%)
CMYK	cmyk(84.6%, 59.4%, 0%, 43.9%)
CIE-LAB	lab(27.24, 21.19, -50.51)
CIE-LCH	lch(27.24, 54.78, 292.76°)
OKLab	oklab(38.04% -0.0165 -0.146)
OKLCH	oklch(38.04% 0.147 263.6)
XYZ	xyz(6.8001, 5.1790, 26.6225)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A8F #8F6B16

analogous

#16768F #163A8F #2F168F

triadic

#163A8F #8F163A #3A8F16

tetradic

#163A8F #8F1676 #8F6B16 #168F2F

square

#163A8F #8F1676 #8F6B16 #168F2F

split-complementary

#163A8F #8F2F16 #768F16

monochromatic

#060F25 #0E245A #163A8F #1E50C4 #3E6FE1

Accessibility & contrast

On white

10.31

#163A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#163A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A8F

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A8F	#FFFFFF	#000000	##FFFFFF
##163A8F	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163a8f;
/* rgb */ color: rgb(22, 58, 143);
/* oklch */ color: oklch(38.0% 0.147 263.6);

Tailwind

colors: {
  custom: {
    50: '#6a6fb1',
    500: '#163a8f',
    950: '#000000',
  },
}

SCSS

$custom: #163a8f;
$custom-light: #6a6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#163a8f",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 143
  },
  "hsl": {
    "h": 222.149,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38042,
    "c": 0.14695,
    "h": 263.6
  },
  "luminance": 0.0518
}

Semantic roles & 50–950 ramp

primary

#163A8F

secondary

#C19B3F

accent

#B938F0

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #163A8F

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

Preview Lab → · Contrast checker → · Palette generator →