#5B5CE5#5B5CE5

#5B5CE5 is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.4% C 0.202 H 277.2°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CE5
RGB	rgb(91, 92, 229)
HSL	hsl(240, 73%, 63%)
HSV	hsv(240, 60%, 90%)
CMYK	cmyk(60.3%, 59.8%, 0%, 10.2%)
CIE-LAB	lab(46.36, 39.51, -69.85)
CIE-LCH	lch(46.36, 80.25, 299.49°)
OKLab	oklab(55.36% 0.0253 -0.2009)
OKLCH	oklch(55.36% 0.202 277.2)
XYZ	xyz(22.2798, 15.5339, 75.9378)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CE5 #E5E45B

analogous

#5BA1E5 #5B5CE5 #9F5BE5

triadic

#5B5CE5 #E55B5C #5CE55B

tetradic

#5B5CE5 #E55BA1 #E5E45B #5BE59F

square

#5B5CE5 #E55BA1 #E5E45B #5BE59F

split-complementary

#5B5CE5 #E59F5B #A1E55B

monochromatic

#1B1CAB #2627DD #5B5CE5 #9091ED #C5C5F6

Accessibility & contrast

On white

5.11

#5B5CE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#5B5CE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CE5

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CE5	#FFFFFF	#000000	##FFFFFF
##5B5CE5	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E9

Deuteranopia (green-blind)

#0068E2

Tritanopia (blue-blind)

#007E98

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b5ce5;
/* rgb */ color: rgb(91, 92, 229);
/* oklch */ color: oklch(55.4% 0.202 277.2);

Tailwind

colors: {
  custom: {
    50: '#968aee',
    500: '#5b5ce5',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ce5;
$custom-light: #968aee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ce5",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 229
  },
  "hsl": {
    "h": 239.565,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.5536,
    "c": 0.20249,
    "h": 277.2
  },
  "luminance": 0.15536
}

Semantic roles & 50–950 ramp

primary

#5B5CE5

secondary

#E7E7B5

accent

#D311D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5B5CE5

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

Preview Lab → · Contrast checker → · Palette generator →