#5163F2#5163F2

#5163F2 is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.0% C 0.213 H 272.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5163F2
RGB	rgb(81, 99, 242)
HSL	hsl(233, 86%, 63%)
HSV	hsv(233, 67%, 95%)
CMYK	cmyk(66.5%, 59.1%, 0%, 5.1%)
CIE-LAB	lab(48.36, 38.06, -73.92)
CIE-LCH	lch(48.36, 83.15, 297.24°)
OKLab	oklab(56.99% 0.0083 -0.2131)
OKLCH	oklch(56.99% 0.213 272.2)
XYZ	xyz(23.8768, 17.0816, 86.0260)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5163F2 #F2E051

analogous

#51B3F2 #5163F2 #8F51F2

triadic

#5163F2 #F25163 #63F251

tetradic

#5163F2 #F251B3 #F2E051 #51F28F

square

#5163F2 #F251B3 #F2E051 #51F28F

split-complementary

#5163F2 #F28F51 #B3F251

monochromatic

#0E21BB #1830EE #5163F2 #8A96F6 #C3C9FB

Accessibility & contrast

On white

4.75

#5163F2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#5163F2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5163F2

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5163F2	#FFFFFF	#000000	##FFFFFF
##5163F2	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF7

Deuteranopia (green-blind)

#006CEF

Tritanopia (blue-blind)

#0087A1

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5163f2;
/* rgb */ color: rgb(81, 99, 242);
/* oklch */ color: oklch(57.0% 0.213 272.2);

Tailwind

colors: {
  custom: {
    50: '#948ff7',
    500: '#5163f2',
    950: '#000000',
  },
}

SCSS

$custom: #5163f2;
$custom-light: #948ff7;
$custom-dark: #000000;

JSON

{
  "hex": "#5163f2",
  "rgb": {
    "r": 81,
    "g": 99,
    "b": 242
  },
  "hsl": {
    "h": 233.292,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.56986,
    "c": 0.21322,
    "h": 272.2
  },
  "luminance": 0.17084
}

Semantic roles & 50–950 ramp

primary

#5163F2

secondary

#ECE6B3

accent

#CA03E3

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #5163F2

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

Preview Lab → · Contrast checker → · Palette generator →