#5B6CE9#5B6CE9

#5B6CE9 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.5% C 0.188 H 273.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5B6CE9
RGB	rgb(91, 108, 233)
HSL	hsl(233, 76%, 64%)
HSV	hsv(233, 61%, 91%)
CMYK	cmyk(60.9%, 53.6%, 0%, 8.6%)
CIE-LAB	lab(50.49, 31.10, -65.40)
CIE-LCH	lch(50.49, 72.42, 295.43°)
OKLab	oklab(58.52% 0.0109 -0.1877)
OKLCH	oklch(58.52% 0.188 273.3)
XYZ	xyz(24.3801, 18.8305, 79.4249)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6CE9 #E9D85B

analogous

#5BB3E9 #5B6CE9 #915BE9

triadic

#5B6CE9 #E95B6C #6CE95B

tetradic

#5B6CE9 #E95BB3 #E9D85B #5BE991

square

#5B6CE9 #E95BB3 #E9D85B #5BE991

split-complementary

#5B6CE9 #E9915B #B3E95B

monochromatic

#182AB2 #253CE2 #5B6CE9 #919CF0 #C7CDF7

Accessibility & contrast

On white

4.41

#5B6CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5B6CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6CE9

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6CE9	#FFFFFF	#000000	##000000
##5B6CE9	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#147FED

Deuteranopia (green-blind)

#0072E6

Tritanopia (blue-blind)

#0089A0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6ce9;
/* rgb */ color: rgb(91, 108, 233);
/* oklch */ color: oklch(58.5% 0.188 273.3);

Tailwind

colors: {
  custom: {
    50: '#9695f1',
    500: '#5b6ce9',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ce9;
$custom-light: #9695f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ce9",
  "rgb": {
    "r": 91,
    "g": 108,
    "b": 233
  },
  "hsl": {
    "h": 232.817,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.58521,
    "c": 0.18798,
    "h": 273.3
  },
  "luminance": 0.18832
}

Semantic roles & 50–950 ramp

primary

#5B6CE9

secondary

#E9E3B7

accent

#C00DD9

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5B6CE9

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

Preview Lab → · Contrast checker → · Palette generator →