#163B73#163B73

#163B73 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.105 H 258.8°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#163B73
RGB	rgb(22, 59, 115)
HSL	hsl(216, 68%, 27%)
HSV	hsv(216, 81%, 45%)
CMYK	cmyk(80.9%, 48.7%, 0%, 54.9%)
CIE-LAB	lab(25.37, 8.89, -36.01)
CIE-LCH	lch(25.37, 37.09, 283.86°)
OKLab	oklab(35.94% -0.0205 -0.1033)
OKLCH	oklch(35.94% 0.105 258.8)
XYZ	xyz(4.9882, 4.5357, 16.8289)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B73 #734E16

analogous

#166A73 #163B73 #201673

triadic

#163B73 #73163B #3B7316

tetradic

#163B73 #73166A #734E16 #167320

square

#163B73 #73166A #734E16 #167320

split-complementary

#163B73 #732016 #6A7316

monochromatic

#050D1A #0C2140 #163B73 #2055A6 #2D70D7

Accessibility & contrast

On white

11.01

#163B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#163B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B73

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B73	#FFFFFF	#000000	##FFFFFF
##163B73	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4175

Deuteranopia (green-blind)

#053872

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163b73;
/* rgb */ color: rgb(22, 59, 115);
/* oklch */ color: oklch(35.9% 0.105 258.8);

Tailwind

colors: {
  custom: {
    50: '#63709c',
    500: '#163b73',
    950: '#000000',
  },
}

SCSS

$custom: #163b73;
$custom-light: #63709c;
$custom-dark: #000000;

JSON

{
  "hex": "#163b73",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 115
  },
  "hsl": {
    "h": 216.129,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35935,
    "c": 0.10536,
    "h": 258.8
  },
  "luminance": 0.04536
}

Semantic roles & 50–950 ramp

primary

#163B73

secondary

#A97E3C

accent

#A63DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B73

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

Preview Lab → · Contrast checker → · Palette generator →