#5B5BEC#5B5BEC

#5B5BEC is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 55.7% C 0.213 H 277.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BEC
RGB	rgb(91, 91, 236)
HSL	hsl(240, 79%, 64%)
HSV	hsv(240, 61%, 93%)
CMYK	cmyk(61.4%, 61.4%, 0%, 7.5%)
CIE-LAB	lab(46.66, 42.36, -73.31)
CIE-LCH	lch(46.66, 84.66, 300.02°)
OKLab	oklab(55.75% 0.0259 -0.2111)
OKLCH	oklch(55.75% 0.213 277)
XYZ	xyz(23.1909, 15.7606, 81.1606)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BEC #ECEC5B

analogous

#5BA4EC #5B5BEC #A45BEC

triadic

#5B5BEC #EC5B5B #5BEC5B

tetradic

#5B5BEC #EC5BA4 #ECEC5B #5BECA4

square

#5B5BEC #EC5BA4 #ECEC5B #5BECA4

split-complementary

#5B5BEC #ECA45B #A4EC5B

monochromatic

#1515B7 #2424E6 #5B5BEC #9292F2 #C9C9F9

Accessibility & contrast

On white

5.06

#5B5BEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#5B5BEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BEC

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BEC	#FFFFFF	#000000	##FFFFFF
##5B5BEC	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F1

Deuteranopia (green-blind)

#0068E9

Tritanopia (blue-blind)

#007F9B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b5bec;
/* rgb */ color: rgb(91, 91, 236);
/* oklch */ color: oklch(55.7% 0.213 277.0);

Tailwind

colors: {
  custom: {
    50: '#988af3',
    500: '#5b5bec',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bec;
$custom-light: #988af3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bec",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 236
  },
  "hsl": {
    "h": 240,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.55748,
    "c": 0.21264,
    "h": 277
  },
  "luminance": 0.15762
}

Semantic roles & 50–950 ramp

primary

#5B5BEC

secondary

#EBEBB8

accent

#DC0ADC

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B5BEC

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

Preview Lab → · Contrast checker → · Palette generator →