#5B5CEB#5B5CEB

#5B5CEB is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.8% C 0.210 H 276.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CEB
RGB	rgb(91, 92, 235)
HSL	hsl(240, 78%, 64%)
HSV	hsv(240, 61%, 92%)
CMYK	cmyk(61.3%, 60.9%, 0%, 7.8%)
CIE-LAB	lab(46.81, 41.44, -72.50)
CIE-LCH	lch(46.81, 83.51, 299.75°)
OKLab	oklab(55.84% 0.0251 -0.2087)
OKLCH	oklch(55.84% 0.21 276.9)
XYZ	xyz(23.1321, 15.8748, 80.4263)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CEB #EBEA5B

analogous

#5BA4EB #5B5CEB #A25BEB

triadic

#5B5CEB #EB5B5C #5CEB5B

tetradic

#5B5CEB #EB5BA4 #EBEA5B #5BEBA2

square

#5B5CEB #EB5BA4 #EBEA5B #5BEBA2

split-complementary

#5B5CEB #EBA25B #A4EB5B

monochromatic

#1617B5 #2426E4 #5B5CEB #9292F2 #C8C8F8

Accessibility & contrast

On white

5.03

#5B5CEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#5B5CEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CEB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CEB	#FFFFFF	#000000	##FFFFFF
##5B5CEB	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F0

Deuteranopia (green-blind)

#0069E8

Tritanopia (blue-blind)

#007F9B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b5ceb;
/* rgb */ color: rgb(91, 92, 235);
/* oklch */ color: oklch(55.8% 0.210 276.9);

Tailwind

colors: {
  custom: {
    50: '#978af2',
    500: '#5b5ceb',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ceb;
$custom-light: #978af2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ceb",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 235
  },
  "hsl": {
    "h": 239.583,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.55835,
    "c": 0.21018,
    "h": 276.9
  },
  "luminance": 0.15877
}

Semantic roles & 50–950 ramp

primary

#5B5CEB

secondary

#EAEAB8

accent

#D90BDB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5CEB

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

Preview Lab → · Contrast checker → · Palette generator →