#5B5FE5#5B5FE5

#5B5FE5 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.9% C 0.199 H 276.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FE5
RGB	rgb(91, 95, 229)
HSL	hsl(238, 73%, 63%)
HSV	hsv(238, 60%, 90%)
CMYK	cmyk(60.3%, 58.5%, 0%, 10.2%)
CIE-LAB	lab(47.06, 37.71, -68.71)
CIE-LCH	lch(47.06, 78.38, 298.76°)
OKLab	oklab(55.88% 0.0227 -0.1975)
OKLCH	oklch(55.88% 0.199 276.5)
XYZ	xyz(22.5449, 16.0640, 76.0262)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FE5 #E5E15B

analogous

#5BA4E5 #5B5FE5 #9C5BE5

triadic

#5B5FE5 #E55B5F #5FE55B

tetradic

#5B5FE5 #E55BA4 #E5E15B #5BE59C

square

#5B5FE5 #E55BA4 #E5E15B #5BE59C

split-complementary

#5B5FE5 #E59C5B #A4E55B

monochromatic

#1B1FAB #262BDD #5B5FE5 #9093ED #C5C6F6

Accessibility & contrast

On white

4.98

#5B5FE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#5B5FE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FE5

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FE5	#FFFFFF	#000000	##FFFFFF
##5B5FE5	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E9

Deuteranopia (green-blind)

#006AE2

Tritanopia (blue-blind)

#007F99

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5b5fe5;
/* rgb */ color: rgb(91, 95, 229);
/* oklch */ color: oklch(55.9% 0.199 276.5);

Tailwind

colors: {
  custom: {
    50: '#968cee',
    500: '#5b5fe5',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fe5;
$custom-light: #968cee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fe5",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 229
  },
  "hsl": {
    "h": 238.261,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.19883,
    "h": 276.5
  },
  "luminance": 0.16066
}

Semantic roles & 50–950 ramp

primary

#5B5FE5

secondary

#E7E5B5

accent

#CF11D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5B5FE5

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

Preview Lab → · Contrast checker → · Palette generator →