#163F80#163F80

#163F80 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.119 H 259.5°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#163F80
RGB	rgb(22, 63, 128)
HSL	hsl(217, 71%, 29%)
HSV	hsv(217, 83%, 50%)
CMYK	cmyk(82.8%, 50.8%, 0%, 49.8%)
CIE-LAB	lab(27.53, 11.50, -40.73)
CIE-LCH	lch(27.53, 42.32, 285.77°)
OKLab	oklab(37.89% -0.0217 -0.1172)
OKLCH	oklch(37.89% 0.119 259.5)
XYZ	xyz(6.0032, 5.2834, 21.1213)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F80 #805716

analogous

#167480 #163F80 #221680

triadic

#163F80 #80163F #3F8016

tetradic

#163F80 #801674 #805716 #168022

square

#163F80 #801674 #805716 #168022

split-complementary

#163F80 #802216 #748016

monochromatic

#040D1A #0D254C #163F80 #1F59B4 #3475DC

Accessibility & contrast

On white

10.21

#163F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#163F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F80

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F80	#FFFFFF	#000000	##FFFFFF
##163F80	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184682

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163f80;
/* rgb */ color: rgb(22, 63, 128);
/* oklch */ color: oklch(37.9% 0.119 259.5);

Tailwind

colors: {
  custom: {
    50: '#6673a5',
    500: '#163f80',
    950: '#000000',
  },
}

SCSS

$custom: #163f80;
$custom-light: #6673a5;
$custom-dark: #000000;

JSON

{
  "hex": "#163f80",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 128
  },
  "hsl": {
    "h": 216.792,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37891,
    "c": 0.11915,
    "h": 259.5
  },
  "luminance": 0.05284
}

Semantic roles & 50–950 ramp

primary

#163F80

secondary

#B5863D

accent

#A83AED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #163F80

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

Preview Lab → · Contrast checker → · Palette generator →