#163F8D#163F8D

#163F8D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.138 H 261.6°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#163F8D
RGB	rgb(22, 63, 141)
HSL	hsl(219, 73%, 32%)
HSV	hsv(219, 84%, 55%)
CMYK	cmyk(84.4%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(28.51, 16.89, -47.22)
CIE-LCH	lch(28.51, 50.15, 289.68°)
OKLab	oklab(38.95% -0.02 -0.1362)
OKLCH	oklch(38.95% 0.138 261.6)
XYZ	xyz(6.9144, 5.6478, 25.9199)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F8D #8D6416

analogous

#167B8D #163F8D #29168D

triadic

#163F8D #8D163F #3F8D16

tetradic

#163F8D #8D167B #8D6416 #168D29

square

#163F8D #8D167B #8D6416 #168D29

split-complementary

#163F8D #8D2916 #7B8D16

monochromatic

#051023 #0E2758 #163F8D #1E57C2 #3D75E1

Accessibility & contrast

On white

9.86

#163F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#163F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F8D

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F8D	#FFFFFF	#000000	##FFFFFF
##163F8D	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #163f8d;
/* rgb */ color: rgb(22, 63, 141);
/* oklch */ color: oklch(38.9% 0.138 261.6);

Tailwind

colors: {
  custom: {
    50: '#6973af',
    500: '#163f8d',
    950: '#000000',
  },
}

SCSS

$custom: #163f8d;
$custom-light: #6973af;
$custom-dark: #000000;

JSON

{
  "hex": "#163f8d",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 219.328,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38948,
    "c": 0.13771,
    "h": 261.6
  },
  "luminance": 0.05649
}

Semantic roles & 50–950 ramp

primary

#163F8D

secondary

#C1943E

accent

#B038F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #163F8D

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

Preview Lab → · Contrast checker → · Palette generator →