#163CB4#163CB4

#163CB4 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.194 H 264.9°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#163CB4
RGB	rgb(22, 60, 180)
HSL	hsl(226, 78%, 40%)
HSV	hsv(226, 88%, 71%)
CMYK	cmyk(87.8%, 66.7%, 0%, 29.4%)
CIE-LAB	lab(31.11, 34.43, -66.57)
CIE-LCH	lch(31.11, 74.94, 297.35°)
OKLab	oklab(41.94% -0.0172 -0.193)
OKLCH	oklch(41.94% 0.194 264.9)
XYZ	xyz(10.1820, 6.6963, 43.9270)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163CB4 #B48E16

analogous

#168BB4 #163CB4 #3F16B4

triadic

#163CB4 #B4163C #3CB416

tetradic

#163CB4 #B4168B #B48E16 #16B43F

square

#163CB4 #B4168B #B48E16 #16B43F

split-complementary

#163CB4 #B43F16 #8BB416

monochromatic

#091847 #0F2A7D #163CB4 #2352E4 #5A7DEB

Accessibility & contrast

On white

8.98

#163CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#163CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163CB4

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163CB4	#FFFFFF	#000000	##FFFFFF
##163CB4	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #163cb4;
/* rgb */ color: rgb(22, 60, 180);
/* oklch */ color: oklch(41.9% 0.194 264.9);

Tailwind

colors: {
  custom: {
    50: '#7571cc',
    500: '#163cb4',
    950: '#000000',
  },
}

SCSS

$custom: #163cb4;
$custom-light: #7571cc;
$custom-dark: #000000;

JSON

{
  "hex": "#163cb4",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 180
  },
  "hsl": {
    "h": 225.57,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41938,
    "c": 0.19375,
    "h": 264.9
  },
  "luminance": 0.06698
}

Semantic roles & 50–950 ramp

primary

#163CB4

secondary

#CEB258

accent

#C633F5

background

#F7F6FC

surface

#EEECF9

border

#C9C7D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #163CB4

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

Preview Lab → · Contrast checker → · Palette generator →