#5B5CF3#5B5CF3

#5B5CF3 is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.5% C 0.220 H 276.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CF3
RGB	rgb(91, 92, 243)
HSL	hsl(240, 86%, 65%)
HSV	hsv(240, 63%, 95%)
CMYK	cmyk(62.6%, 62.1%, 0%, 4.7%)
CIE-LAB	lab(47.43, 44.01, -75.98)
CIE-LCH	lch(47.43, 87.81, 300.08°)
OKLab	oklab(56.48% 0.0246 -0.2189)
OKLCH	oklch(56.48% 0.22 276.4)
XYZ	xyz(24.3139, 16.3475, 86.6507)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CF3 #F3F25B

analogous

#5BA8F3 #5B5CF3 #A65BF3

triadic

#5B5CF3 #F35B5C #5CF35B

tetradic

#5B5CF3 #F35BA8 #F3F25B #5BF3A6

square

#5B5CF3 #F35BA8 #F3F25B #5BF3A6

split-complementary

#5B5CF3 #F3A65B #A8F35B

monochromatic

#0E10C5 #2223EF #5B5CF3 #9495F7 #CDCDFB

Accessibility & contrast

On white

4.92

#5B5CF3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5B5CF3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CF3

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CF3	#FFFFFF	#000000	##FFFFFF
##5B5CF3	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F8

Deuteranopia (green-blind)

#006AF0

Tritanopia (blue-blind)

#00829F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b5cf3;
/* rgb */ color: rgb(91, 92, 243);
/* oklch */ color: oklch(56.5% 0.220 276.4);

Tailwind

colors: {
  custom: {
    50: '#998af8',
    500: '#5b5cf3',
    950: '#000000',
  },
}

SCSS

$custom: #5b5cf3;
$custom-light: #998af8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5cf3",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 243
  },
  "hsl": {
    "h": 239.605,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.5648,
    "c": 0.22029,
    "h": 276.4
  },
  "luminance": 0.1635
}

Semantic roles & 50–950 ramp

primary

#5B5CF3

secondary

#EEEEBB

accent

#E103E3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5CF3

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

Preview Lab → · Contrast checker → · Palette generator →