#163F8F#163F8F

#163F8F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.141 H 261.9°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#163F8F
RGB	rgb(22, 63, 143)
HSL	hsl(220, 73%, 32%)
HSV	hsv(220, 85%, 56%)
CMYK	cmyk(84.6%, 55.9%, 0%, 43.9%)
CIE-LAB	lab(28.66, 17.71, -48.19)
CIE-LCH	lch(28.66, 51.35, 290.18°)
OKLab	oklab(39.12% -0.0198 -0.1391)
OKLCH	oklch(39.12% 0.141 261.9)
XYZ	xyz(7.0645, 5.7079, 26.7107)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F8F #8F6616

analogous

#167C8F #163F8F #29168F

triadic

#163F8F #8F163F #3F8F16

tetradic

#163F8F #8F167C #8F6616 #168F29

square

#163F8F #8F167C #8F6616 #168F29

split-complementary

#163F8F #8F2916 #7C8F16

monochromatic

#061025 #0E285A #163F8F #1E56C4 #3E75E1

Accessibility & contrast

On white

9.80

#163F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#163F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F8F

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F8F	#FFFFFF	#000000	##FFFFFF
##163F8F	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #163f8f;
/* rgb */ color: rgb(22, 63, 143);
/* oklch */ color: oklch(39.1% 0.141 261.9);

Tailwind

colors: {
  custom: {
    50: '#6a73b0',
    500: '#163f8f',
    950: '#000000',
  },
}

SCSS

$custom: #163f8f;
$custom-light: #6a73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163f8f",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 143
  },
  "hsl": {
    "h": 219.669,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39117,
    "c": 0.14052,
    "h": 261.9
  },
  "luminance": 0.05709
}

Semantic roles & 50–950 ramp

primary

#163F8F

secondary

#C1953F

accent

#B238F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080811

muted

#7A7B80

Preview Lab

Preview with #163F8F

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

Preview Lab → · Contrast checker → · Palette generator →