#163A80#163A80

#163A80 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.7% C 0.126 H 261.9°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#163A80
RGB	rgb(22, 58, 128)
HSL	hsl(220, 71%, 29%)
HSV	hsv(220, 83%, 50%)
CMYK	cmyk(82.8%, 54.7%, 0%, 49.8%)
CIE-LAB	lab(26.02, 15.02, -43.16)
CIE-LCH	lch(26.02, 45.70, 289.19°)
OKLab	oklab(36.74% -0.0177 -0.1244)
OKLCH	oklch(36.74% 0.126 261.9)
XYZ	xyz(5.7388, 4.7545, 21.0331)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A80 #805C16

analogous

#166F80 #163A80 #271680

triadic

#163A80 #80163A #3A8016

tetradic

#163A80 #80166F #805C16 #168027

square

#163A80 #80166F #805C16 #168027

split-complementary

#163A80 #802716 #6F8016

monochromatic

#040C1A #0D224C #163A80 #1F52B4 #346DDC

Accessibility & contrast

On white

10.76

#163A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#163A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A80

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A80	#FFFFFF	#000000	##FFFFFF
##163A80	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054382

Deuteranopia (green-blind)

#00397F

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163a80;
/* rgb */ color: rgb(22, 58, 128);
/* oklch */ color: oklch(36.7% 0.126 261.9);

Tailwind

colors: {
  custom: {
    50: '#666fa5',
    500: '#163a80',
    950: '#000000',
  },
}

SCSS

$custom: #163a80;
$custom-light: #666fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#163a80",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 128
  },
  "hsl": {
    "h": 219.623,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36742,
    "c": 0.12568,
    "h": 261.9
  },
  "luminance": 0.04755
}

Semantic roles & 50–950 ramp

primary

#163A80

secondary

#B58C3D

accent

#B13AED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163A80

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

Preview Lab → · Contrast checker → · Palette generator →