#5B5BF4#5B5BF4

#5B5BF4 is a mid, highly saturated blue. Relative luminance 0.162; OKLCH L 56.4% C 0.223 H 276.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BF4
RGB	rgb(91, 91, 244)
HSL	hsl(240, 87%, 66%)
HSV	hsv(240, 63%, 96%)
CMYK	cmyk(62.7%, 62.7%, 0%, 4.3%)
CIE-LAB	lab(47.28, 44.92, -76.78)
CIE-LCH	lch(47.28, 88.95, 300.33°)
OKLab	oklab(56.4% 0.0254 -0.2212)
OKLCH	oklch(56.4% 0.223 276.5)
XYZ	xyz(24.3793, 16.2360, 87.4195)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BF4 #F4F45B

analogous

#5BA7F4 #5B5BF4 #A75BF4

triadic

#5B5BF4 #F45B5B #5BF45B

tetradic

#5B5BF4 #F45BA7 #F4F45B #5BF4A7

square

#5B5BF4 #F45BA7 #F4F45B #5BF4A7

split-complementary

#5B5BF4 #F4A75B #A7F45B

monochromatic

#0D0DC7 #2222F0 #5B5BF4 #9494F8 #CECEFC

Accessibility & contrast

On white

4.94

#5B5BF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#5B5BF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BF4

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BF4	#FFFFFF	#000000	##FFFFFF
##5B5BF4	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F9

Deuteranopia (green-blind)

#0069F1

Tritanopia (blue-blind)

#00829F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b5bf4;
/* rgb */ color: rgb(91, 91, 244);
/* oklch */ color: oklch(56.4% 0.223 276.5);

Tailwind

colors: {
  custom: {
    50: '#998af9',
    500: '#5b5bf4',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bf4;
$custom-light: #998af9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bf4",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 244
  },
  "hsl": {
    "h": 240,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.56398,
    "c": 0.2227,
    "h": 276.5
  },
  "luminance": 0.16238
}

Semantic roles & 50–950 ramp

primary

#5B5BF4

secondary

#EFEFBC

accent

#E402E4

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5BF4

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

Preview Lab → · Contrast checker → · Palette generator →