#5B6EE4#5B6EE4

#5B6EE4 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.179 H 272.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5B6EE4
RGB	rgb(91, 110, 228)
HSL	hsl(232, 72%, 63%)
HSV	hsv(232, 60%, 89%)
CMYK	cmyk(60.1%, 51.8%, 0%, 10.6%)
CIE-LAB	lab(50.66, 28.22, -62.32)
CIE-LCH	lch(50.66, 68.41, 294.36°)
OKLab	oklab(58.54% 0.0086 -0.1786)
OKLCH	oklch(58.54% 0.179 272.8)
XYZ	xyz(23.8893, 18.9755, 75.7875)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6EE4 #E4D15B

analogous

#5BB2E4 #5B6EE4 #8D5BE4

triadic

#5B6EE4 #E45B6E #6EE45B

tetradic

#5B6EE4 #E45BB2 #E4D15B #5BE48D

square

#5B6EE4 #E45BB2 #E4D15B #5BE48D

split-complementary

#5B6EE4 #E48D5B #B2E45B

monochromatic

#1C2FA9 #2640DB #5B6EE4 #909CED #C4CBF5

Accessibility & contrast

On white

4.38

#5B6EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5B6EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6EE4

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6EE4	#FFFFFF	#000000	##000000
##5B6EE4	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287FE8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b6ee4;
/* rgb */ color: rgb(91, 110, 228);
/* oklch */ color: oklch(58.5% 0.179 272.8);

Tailwind

colors: {
  custom: {
    50: '#9597ed',
    500: '#5b6ee4',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ee4;
$custom-light: #9597ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ee4",
  "rgb": {
    "r": 91,
    "g": 110,
    "b": 228
  },
  "hsl": {
    "h": 231.679,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.58543,
    "c": 0.17878,
    "h": 272.8
  },
  "luminance": 0.18977
}

Semantic roles & 50–950 ramp

primary

#5B6EE4

secondary

#E6DFB4

accent

#B912D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6EE4

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

Preview Lab → · Contrast checker → · Palette generator →