#5B6DE4#5B6DE4

#5B6DE4 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.4% C 0.180 H 273.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B6DE4
RGB	rgb(91, 109, 228)
HSL	hsl(232, 72%, 63%)
HSV	hsv(232, 60%, 89%)
CMYK	cmyk(60.1%, 52.2%, 0%, 10.6%)
CIE-LAB	lab(50.41, 28.84, -62.72)
CIE-LCH	lch(50.41, 69.03, 294.69°)
OKLab	oklab(58.35% 0.0096 -0.1798)
OKLCH	oklch(58.35% 0.18 273.1)
XYZ	xyz(23.7820, 18.7610, 75.7517)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6DE4 #E4D25B

analogous

#5BB1E4 #5B6DE4 #8E5BE4

triadic

#5B6DE4 #E45B6D #6DE45B

tetradic

#5B6DE4 #E45BB1 #E4D25B #5BE48E

square

#5B6DE4 #E45BB1 #E4D25B #5BE48E

split-complementary

#5B6DE4 #E48E5B #B1E45B

monochromatic

#1C2EA9 #263EDB #5B6DE4 #909CED #C4CBF5

Accessibility & contrast

On white

4.42

#5B6DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5B6DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6DE4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6DE4	#FFFFFF	#000000	##000000
##5B6DE4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247EE8

Deuteranopia (green-blind)

#0072E2

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6de4;
/* rgb */ color: rgb(91, 109, 228);
/* oklch */ color: oklch(58.4% 0.180 273.1);

Tailwind

colors: {
  custom: {
    50: '#9596ed',
    500: '#5b6de4',
    950: '#000000',
  },
}

SCSS

$custom: #5b6de4;
$custom-light: #9596ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6de4",
  "rgb": {
    "r": 91,
    "g": 109,
    "b": 228
  },
  "hsl": {
    "h": 232.117,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.58354,
    "c": 0.18004,
    "h": 273.1
  },
  "luminance": 0.18763
}

Semantic roles & 50–950 ramp

primary

#5B6DE4

secondary

#E6E0B4

accent

#BA12D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6DE4

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

Preview Lab → · Contrast checker → · Palette generator →