#5B5BFC#5B5BFC

#5B5BFC is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 57.1% C 0.233 H 276.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BFC
RGB	rgb(91, 91, 252)
HSL	hsl(240, 96%, 67%)
HSV	hsv(240, 64%, 99%)
CMYK	cmyk(63.9%, 63.9%, 0%, 1.2%)
CIE-LAB	lab(47.92, 47.47, -80.20)
CIE-LCH	lch(47.92, 93.19, 300.62°)
OKLab	oklab(57.06% 0.0248 -0.2313)
OKLCH	oklch(57.06% 0.233 276.1)
XYZ	xyz(25.6204, 16.7324, 93.9561)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BFC #FCFC5B

analogous

#5BACFC #5B5BFC #AC5BFC

triadic

#5B5BFC #FC5B5B #5BFC5B

tetradic

#5B5BFC #FC5BAC #FCFC5B #5BFCAC

square

#5B5BFC #FC5BAC #FCFC5B #5BFCAC

split-complementary

#5B5BFC #FCAC5B #ACFC5B

monochromatic

#0404D9 #1F1FFB #5B5BFC #9797FD #D3D3FE

Accessibility & contrast

On white

4.83

#5B5BFC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#5B5BFC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BFC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BFC	#FFFFFF	#000000	##FFFFFF
##5B5BFC	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FF

Deuteranopia (green-blind)

#006BF9

Tritanopia (blue-blind)

#0085A3

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5b5bfc;
/* rgb */ color: rgb(91, 91, 252);
/* oklch */ color: oklch(57.1% 0.233 276.1);

Tailwind

colors: {
  custom: {
    50: '#9a8aff',
    500: '#5b5bfc',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bfc;
$custom-light: #9a8aff;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bfc",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 252
  },
  "hsl": {
    "h": 240,
    "s": 96.407,
    "l": 67.255
  },
  "oklch": {
    "l": 0.57062,
    "c": 0.23261,
    "h": 276.1
  },
  "luminance": 0.16735
}

Semantic roles & 50–950 ramp

primary

#5B5BFC

secondary

#F3F3C0

accent

#E600E5

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #5B5BFC

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

Preview Lab → · Contrast checker → · Palette generator →