#5B5BEB#5B5BEB

#5B5BEB is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.7% C 0.211 H 277.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BEB
RGB	rgb(91, 91, 235)
HSL	hsl(240, 78%, 64%)
HSV	hsv(240, 61%, 92%)
CMYK	cmyk(61.3%, 61.3%, 0%, 7.8%)
CIE-LAB	lab(46.58, 42.04, -72.87)
CIE-LCH	lch(46.58, 84.12, 299.98°)
OKLab	oklab(55.67% 0.0259 -0.2098)
OKLCH	oklch(55.67% 0.211 277)
XYZ	xyz(23.0460, 15.7027, 80.3976)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BEB #EBEB5B

analogous

#5BA3EB #5B5BEB #A35BEB

triadic

#5B5BEB #EB5B5B #5BEB5B

tetradic

#5B5BEB #EB5BA3 #EBEB5B #5BEBA3

square

#5B5BEB #EB5BA3 #EBEB5B #5BEBA3

split-complementary

#5B5BEB #EBA35B #A3EB5B

monochromatic

#1616B5 #2424E4 #5B5BEB #9292F2 #C8C8F8

Accessibility & contrast

On white

5.07

#5B5BEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#5B5BEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BEB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BEB	#FFFFFF	#000000	##FFFFFF
##5B5BEB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F0

Deuteranopia (green-blind)

#0068E8

Tritanopia (blue-blind)

#007F9A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b5beb;
/* rgb */ color: rgb(91, 91, 235);
/* oklch */ color: oklch(55.7% 0.211 277.0);

Tailwind

colors: {
  custom: {
    50: '#978af2',
    500: '#5b5beb',
    950: '#000000',
  },
}

SCSS

$custom: #5b5beb;
$custom-light: #978af2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5beb",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 235
  },
  "hsl": {
    "h": 240,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.21138,
    "h": 277
  },
  "luminance": 0.15704
}

Semantic roles & 50–950 ramp

primary

#5B5BEB

secondary

#EAEAB8

accent

#DB0BDB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B5BEB

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

Preview Lab → · Contrast checker → · Palette generator →