#5B5DF8#5B5DF8

#5B5DF8 is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 57.1% C 0.225 H 276.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DF8
RGB	rgb(91, 93, 248)
HSL	hsl(239, 92%, 66%)
HSV	hsv(239, 63%, 97%)
CMYK	cmyk(63.3%, 62.5%, 0%, 2.7%)
CIE-LAB	lab(48.04, 45.02, -77.77)
CIE-LCH	lch(48.04, 89.86, 300.07°)
OKLab	oklab(57.05% 0.0235 -0.2242)
OKLCH	oklch(57.05% 0.225 276)
XYZ	xyz(25.1665, 16.8281, 90.7107)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DF8 #F8F65B

analogous

#5BACF8 #5B5DF8 #A85BF8

triadic

#5B5DF8 #F85B5D #5DF85B

tetradic

#5B5DF8 #F85BAC #F8F65B #5BF8A8

square

#5B5DF8 #F85BAC #F8F65B #5BF8A8

split-complementary

#5B5DF8 #F8A85B #ACF85B

monochromatic

#090BD0 #2023F5 #5B5DF8 #9697FB #D0D1FD

Accessibility & contrast

On white

4.81

#5B5DF8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#5B5DF8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DF8

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DF8	#FFFFFF	#000000	##FFFFFF
##5B5DF8	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FD

Deuteranopia (green-blind)

#006BF5

Tritanopia (blue-blind)

#0084A2

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5b5df8;
/* rgb */ color: rgb(91, 93, 248);
/* oklch */ color: oklch(57.1% 0.225 276.0);

Tailwind

colors: {
  custom: {
    50: '#9a8bfc',
    500: '#5b5df8',
    950: '#000000',
  },
}

SCSS

$custom: #5b5df8;
$custom-light: #9a8bfc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5df8",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 248
  },
  "hsl": {
    "h": 239.236,
    "s": 91.813,
    "l": 66.471
  },
  "oklch": {
    "l": 0.57052,
    "c": 0.22539,
    "h": 276
  },
  "luminance": 0.1683
}

Semantic roles & 50–950 ramp

primary

#5B5DF8

secondary

#F1F0BE

accent

#E300E6

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #5B5DF8

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

Preview Lab → · Contrast checker → · Palette generator →