#163B80#163B80

#163B80 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.0% C 0.124 H 261.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#163B80
RGB	rgb(22, 59, 128)
HSL	hsl(219, 71%, 29%)
HSV	hsv(219, 83%, 50%)
CMYK	cmyk(82.8%, 53.9%, 0%, 49.8%)
CIE-LAB	lab(26.32, 14.31, -42.68)
CIE-LCH	lch(26.32, 45.01, 288.54°)
OKLab	oklab(36.97% -0.0185 -0.123)
OKLCH	oklch(36.97% 0.124 261.4)
XYZ	xyz(5.7897, 4.8563, 21.0501)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B80 #805B16

analogous

#167080 #163B80 #261680

triadic

#163B80 #80163B #3B8016

tetradic

#163B80 #801670 #805B16 #168026

square

#163B80 #801670 #805B16 #168026

split-complementary

#163B80 #802616 #708016

monochromatic

#040C1A #0D234C #163B80 #1F53B4 #346FDC

Accessibility & contrast

On white

10.65

#163B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#163B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B80

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B80	#FFFFFF	#000000	##FFFFFF
##163B80	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4382

Deuteranopia (green-blind)

#003A7F

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163b80;
/* rgb */ color: rgb(22, 59, 128);
/* oklch */ color: oklch(37.0% 0.124 261.4);

Tailwind

colors: {
  custom: {
    50: '#6670a5',
    500: '#163b80',
    950: '#000000',
  },
}

SCSS

$custom: #163b80;
$custom-light: #6670a5;
$custom-dark: #000000;

JSON

{
  "hex": "#163b80",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 128
  },
  "hsl": {
    "h": 219.057,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36969,
    "c": 0.12437,
    "h": 261.4
  },
  "luminance": 0.04857
}

Semantic roles & 50–950 ramp

primary

#163B80

secondary

#B58B3D

accent

#AF3AED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163B80

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

Preview Lab → · Contrast checker → · Palette generator →