#163B8E#163B8E

#163B8E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.144 H 263.1°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#163B8E
RGB	rgb(22, 59, 142)
HSL	hsl(222, 73%, 32%)
HSV	hsv(222, 85%, 56%)
CMYK	cmyk(84.5%, 58.5%, 0%, 44.3%)
CIE-LAB	lab(27.44, 20.09, -49.57)
CIE-LCH	lch(27.44, 53.49, 292.06°)
OKLab	oklab(38.17% -0.0172 -0.1432)
OKLCH	oklch(38.17% 0.144 263.1)
XYZ	xyz(6.7756, 5.2507, 26.2423)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B8E #8E6916

analogous

#16778E #163B8E #2D168E

triadic

#163B8E #8E163B #3B8E16

tetradic

#163B8E #8E1677 #8E6916 #168E2D

square

#163B8E #8E1677 #8E6916 #168E2D

split-complementary

#163B8E #8E2D16 #778E16

monochromatic

#060F24 #0E2559 #163B8E #1E51C3 #3D70E1

Accessibility & contrast

On white

10.24

#163B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#163B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B8E

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B8E	#FFFFFF	#000000	##FFFFFF
##163B8E	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163b8e;
/* rgb */ color: rgb(22, 59, 142);
/* oklch */ color: oklch(38.2% 0.144 263.1);

Tailwind

colors: {
  custom: {
    50: '#6a70b0',
    500: '#163b8e',
    950: '#000000',
  },
}

SCSS

$custom: #163b8e;
$custom-light: #6a70b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163b8e",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 142
  },
  "hsl": {
    "h": 221.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38165,
    "c": 0.14428,
    "h": 263.1
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#163B8E

secondary

#C1993F

accent

#B738F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #163B8E

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

Preview Lab → · Contrast checker → · Palette generator →