#163D88#163D88

#163D88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.133 H 261.8°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#163D88
RGB	rgb(22, 61, 136)
HSL	hsl(219, 72%, 31%)
HSV	hsv(219, 84%, 53%)
CMYK	cmyk(83.8%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(27.53, 16.22, -45.71)
CIE-LCH	lch(27.53, 48.50, 289.54°)
OKLab	oklab(38.09% -0.0191 -0.1318)
OKLCH	oklch(38.09% 0.133 261.8)
XYZ	xyz(6.4419, 5.2849, 23.9683)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D88 #886116

analogous

#167688 #163D88 #281688

triadic

#163D88 #88163D #3D8816

tetradic

#163D88 #881676 #886116 #168828

square

#163D88 #881676 #886116 #168828

split-complementary

#163D88 #882816 #768816

monochromatic

#050E1F #0D2553 #163D88 #1F55BD #3972DF

Accessibility & contrast

On white

10.21

#163D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#163D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D88

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D88	#FFFFFF	#000000	##FFFFFF
##163D88	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)

#00468B

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163d88;
/* rgb */ color: rgb(22, 61, 136);
/* oklch */ color: oklch(38.1% 0.133 261.8);

Tailwind

colors: {
  custom: {
    50: '#6871ab',
    500: '#163d88',
    950: '#000000',
  },
}

SCSS

$custom: #163d88;
$custom-light: #6871ab;
$custom-dark: #000000;

JSON

{
  "hex": "#163d88",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 219.474,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38085,
    "c": 0.13322,
    "h": 261.8
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#163D88

secondary

#BC913E

accent

#B139EF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163D88

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

Preview Lab → · Contrast checker → · Palette generator →