#163F8E#163F8E

#163F8E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.139 H 261.8°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#163F8E
RGB	rgb(22, 63, 142)
HSL	hsl(220, 73%, 32%)
HSV	hsv(220, 85%, 56%)
CMYK	cmyk(84.5%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(28.58, 17.30, -47.71)
CIE-LCH	lch(28.58, 50.75, 289.93°)
OKLab	oklab(39.03% -0.0199 -0.1377)
OKLCH	oklch(39.03% 0.139 261.8)
XYZ	xyz(6.9891, 5.6777, 26.3135)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F8E #8E6516

analogous

#167B8E #163F8E #29168E

triadic

#163F8E #8E163F #3F8E16

tetradic

#163F8E #8E167B #8E6516 #168E29

square

#163F8E #8E167B #8E6516 #168E29

split-complementary

#163F8E #8E2916 #7B8E16

monochromatic

#061024 #0E2759 #163F8E #1E57C3 #3D75E1

Accessibility & contrast

On white

9.83

#163F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#163F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F8E

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F8E	#FFFFFF	#000000	##FFFFFF
##163F8E	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004991

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #163f8e;
/* rgb */ color: rgb(22, 63, 142);
/* oklch */ color: oklch(39.0% 0.139 261.8);

Tailwind

colors: {
  custom: {
    50: '#6a73b0',
    500: '#163f8e',
    950: '#000000',
  },
}

SCSS

$custom: #163f8e;
$custom-light: #6a73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163f8e",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 219.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39032,
    "c": 0.13912,
    "h": 261.8
  },
  "luminance": 0.05679
}

Semantic roles & 50–950 ramp

primary

#163F8E

secondary

#C1953F

accent

#B138F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #163F8E

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

Preview Lab → · Contrast checker → · Palette generator →