#163BB4#163BB4

#163BB4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.195 H 265.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#163BB4
RGB	rgb(22, 59, 180)
HSL	hsl(226, 78%, 40%)
HSV	hsv(226, 88%, 71%)
CMYK	cmyk(87.8%, 67.2%, 0%, 29.4%)
CIE-LAB	lab(30.86, 35.08, -66.97)
CIE-LCH	lch(30.86, 75.60, 297.64°)
OKLab	oklab(41.76% -0.0169 -0.1942)
OKLCH	oklch(41.76% 0.195 265)
XYZ	xyz(10.1301, 6.5925, 43.9097)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163BB4 #B48F16

analogous

#168AB4 #163BB4 #4016B4

triadic

#163BB4 #B4163B #3BB416

tetradic

#163BB4 #B4168A #B48F16 #16B440

square

#163BB4 #B4168A #B48F16 #16B440

split-complementary

#163BB4 #B44016 #8AB416

monochromatic

#091747 #0F297D #163BB4 #2350E4 #5A7CEB

Accessibility & contrast

On white

9.06

#163BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#163BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163BB4

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163BB4	#FFFFFF	#000000	##FFFFFF
##163BB4	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B8

Deuteranopia (green-blind)

#0041B2

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #163bb4;
/* rgb */ color: rgb(22, 59, 180);
/* oklch */ color: oklch(41.8% 0.195 265.0);

Tailwind

colors: {
  custom: {
    50: '#7571cc',
    500: '#163bb4',
    950: '#000000',
  },
}

SCSS

$custom: #163bb4;
$custom-light: #7571cc;
$custom-dark: #000000;

JSON

{
  "hex": "#163bb4",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 180
  },
  "hsl": {
    "h": 225.949,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41758,
    "c": 0.19489,
    "h": 265
  },
  "luminance": 0.06594
}

Semantic roles & 50–950 ramp

primary

#163BB4

secondary

#CEB258

accent

#C733F5

background

#F7F6FC

surface

#EEECF9

border

#C9C7D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #163BB4

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

Preview Lab → · Contrast checker → · Palette generator →