#5B6BE6#5B6BE6

#5B6BE6 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.1% C 0.185 H 273.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#5B6BE6
RGB	rgb(91, 107, 230)
HSL	hsl(233, 74%, 63%)
HSV	hsv(233, 60%, 90%)
CMYK	cmyk(60.4%, 53.5%, 0%, 9.8%)
CIE-LAB	lab(50.04, 30.72, -64.44)
CIE-LCH	lch(50.04, 71.39, 295.49°)
OKLab	oklab(58.12% 0.0116 -0.1849)
OKLCH	oklch(58.12% 0.185 273.6)
XYZ	xyz(23.8503, 18.4508, 77.1521)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6BE6 #E6D65B

analogous

#5BB0E6 #5B6BE6 #915BE6

triadic

#5B6BE6 #E65B6B #6BE65B

tetradic

#5B6BE6 #E65BB0 #E6D65B #5BE691

square

#5B6BE6 #E65BB0 #E6D65B #5BE691

split-complementary

#5B6BE6 #E6915B #B0E65B

monochromatic

#1A2BAC #263BDE #5B6BE6 #909BEE #C5CBF6

Accessibility & contrast

On white

4.48

#5B6BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#5B6BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6BE6

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6BE6	#FFFFFF	#000000	##000000
##5B6BE6	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#177DEA

Deuteranopia (green-blind)

#0071E3

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b6be6;
/* rgb */ color: rgb(91, 107, 230);
/* oklch */ color: oklch(58.1% 0.185 273.6);

Tailwind

colors: {
  custom: {
    50: '#9695ef',
    500: '#5b6be6',
    950: '#000000',
  },
}

SCSS

$custom: #5b6be6;
$custom-light: #9695ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6be6",
  "rgb": {
    "r": 91,
    "g": 107,
    "b": 230
  },
  "hsl": {
    "h": 233.094,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.58119,
    "c": 0.18524,
    "h": 273.6
  },
  "luminance": 0.18453
}

Semantic roles & 50–950 ramp

primary

#5B6BE6

secondary

#E7E2B5

accent

#BF10D6

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6BE6

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

Preview Lab → · Contrast checker → · Palette generator →