#5B5DEF#5B5DEF

#5B5DEF is a mid, highly saturated blue. Relative luminance 0.163; OKLCH L 56.3% C 0.214 H 276.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DEF
RGB	rgb(91, 93, 239)
HSL	hsl(239, 82%, 65%)
HSV	hsv(239, 62%, 94%)
CMYK	cmyk(61.9%, 61.1%, 0%, 6.3%)
CIE-LAB	lab(47.34, 42.13, -73.88)
CIE-LCH	lch(47.34, 85.05, 299.70°)
OKLab	oklab(56.32% 0.0241 -0.2127)
OKLCH	oklch(56.32% 0.214 276.5)
XYZ	xyz(23.8037, 16.2829, 83.5331)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DEF #EFED5B

analogous

#5BA7EF #5B5DEF #A35BEF

triadic

#5B5DEF #EF5B5D #5DEF5B

tetradic

#5B5DEF #EF5BA7 #EFED5B #5BEFA3

square

#5B5DEF #EF5BA7 #EFED5B #5BEFA3

split-complementary

#5B5DEF #EFA35B #A7EF5B

monochromatic

#1215BD #2326EA #5B5DEF #9394F4 #CBCBFA

Accessibility & contrast

On white

4.93

#5B5DEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#5B5DEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DEF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DEF	#FFFFFF	#000000	##FFFFFF
##5B5DEF	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F4

Deuteranopia (green-blind)

#006AEC

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b5def;
/* rgb */ color: rgb(91, 93, 239);
/* oklch */ color: oklch(56.3% 0.214 276.5);

Tailwind

colors: {
  custom: {
    50: '#988bf5',
    500: '#5b5def',
    950: '#000000',
  },
}

SCSS

$custom: #5b5def;
$custom-light: #988bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5def",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 239
  },
  "hsl": {
    "h": 239.189,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56322,
    "c": 0.21408,
    "h": 276.5
  },
  "luminance": 0.16285
}

Semantic roles & 50–950 ramp

primary

#5B5DEF

secondary

#ECECBA

accent

#DC07DF

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5DEF

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

Preview Lab → · Contrast checker → · Palette generator →