#5B63EB#5B63EB

#5B63EB is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.0% C 0.202 H 275.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5B63EB
RGB	rgb(91, 99, 235)
HSL	hsl(237, 78%, 64%)
HSV	hsv(237, 61%, 92%)
CMYK	cmyk(61.3%, 57.9%, 0%, 7.8%)
CIE-LAB	lab(48.44, 37.24, -69.84)
CIE-LCH	lch(48.44, 79.15, 298.07°)
OKLab	oklab(57.04% 0.0191 -0.2008)
OKLCH	oklch(57.04% 0.202 275.4)
XYZ	xyz(23.7667, 17.1441, 80.6378)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B63EB #EBE35B

analogous

#5BABEB #5B63EB #9B5BEB

triadic

#5B63EB #EB5B63 #63EB5B

tetradic

#5B63EB #EB5BAB #EBE35B #5BEB9B

square

#5B63EB #EB5BAB #EBE35B #5BEB9B

split-complementary

#5B63EB #EB9B5B #ABEB5B

monochromatic

#161FB5 #242FE4 #5B63EB #9297F2 #C8CBF8

Accessibility & contrast

On white

4.74

#5B63EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#5B63EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B63EB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B63EB	#FFFFFF	#000000	##FFFFFF
##5B63EB	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079F0

Deuteranopia (green-blind)

#006DE8

Tritanopia (blue-blind)

#00849D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5b63eb;
/* rgb */ color: rgb(91, 99, 235);
/* oklch */ color: oklch(57.0% 0.202 275.4);

Tailwind

colors: {
  custom: {
    50: '#978ff2',
    500: '#5b63eb',
    950: '#000000',
  },
}

SCSS

$custom: #5b63eb;
$custom-light: #978ff2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b63eb",
  "rgb": {
    "r": 91,
    "g": 99,
    "b": 235
  },
  "hsl": {
    "h": 236.667,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.57038,
    "c": 0.20173,
    "h": 275.4
  },
  "luminance": 0.17146
}

Semantic roles & 50–950 ramp

primary

#5B63EB

secondary

#EAE7B8

accent

#CF0BDB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B63EB

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

Preview Lab → · Contrast checker → · Palette generator →