#163FB4#163FB4

#163FB4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.5% C 0.190 H 264.4°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#163FB4
RGB	rgb(22, 63, 180)
HSL	hsl(224, 78%, 40%)
HSV	hsv(224, 88%, 71%)
CMYK	cmyk(87.8%, 65%, 0%, 29.4%)
CIE-LAB	lab(31.85, 32.46, -65.34)
CIE-LCH	lch(31.85, 72.96, 296.42°)
OKLab	oklab(42.49% -0.0185 -0.1894)
OKLCH	oklch(42.49% 0.19 264.4)
XYZ	xyz(10.3437, 7.0196, 43.9809)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163FB4 #B48B16

analogous

#168EB4 #163FB4 #3C16B4

triadic

#163FB4 #B4163F #3FB416

tetradic

#163FB4 #B4168E #B48B16 #16B43C

square

#163FB4 #B4168E #B48B16 #16B43C

split-complementary

#163FB4 #B43C16 #8EB416

monochromatic

#091947 #0F2C7D #163FB4 #2355E4 #5A7FEB

Accessibility & contrast

On white

8.73

#163FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#163FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163FB4

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163FB4	#FFFFFF	#000000	##FFFFFF
##163FB4	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0044B2

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #163fb4;
/* rgb */ color: rgb(22, 63, 180);
/* oklch */ color: oklch(42.5% 0.190 264.4);

Tailwind

colors: {
  custom: {
    50: '#7473cc',
    500: '#163fb4',
    950: '#000000',
  },
}

SCSS

$custom: #163fb4;
$custom-light: #7473cc;
$custom-dark: #000000;

JSON

{
  "hex": "#163fb4",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 180
  },
  "hsl": {
    "h": 224.43,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42487,
    "c": 0.19027,
    "h": 264.4
  },
  "luminance": 0.07021
}

Semantic roles & 50–950 ramp

primary

#163FB4

secondary

#CEAF58

accent

#C233F5

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #163FB4

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

Preview Lab → · Contrast checker → · Palette generator →