#5B6CE6#5B6CE6

#5B6CE6 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.3% C 0.184 H 273.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B6CE6
RGB	rgb(91, 108, 230)
HSL	hsl(233, 74%, 63%)
HSV	hsv(233, 60%, 90%)
CMYK	cmyk(60.4%, 53%, 0%, 9.8%)
CIE-LAB	lab(50.29, 30.11, -64.04)
CIE-LCH	lch(50.29, 70.77, 295.18°)
OKLab	oklab(58.31% 0.0107 -0.1837)
OKLCH	oklch(58.31% 0.184 273.3)
XYZ	xyz(23.9552, 18.6605, 77.1870)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6CE6 #E6D55B

analogous

#5BB1E6 #5B6CE6 #8F5BE6

triadic

#5B6CE6 #E65B6C #6CE65B

tetradic

#5B6CE6 #E65BB1 #E6D55B #5BE68F

square

#5B6CE6 #E65BB1 #E6D55B #5BE68F

split-complementary

#5B6CE6 #E68F5B #B1E65B

monochromatic

#1A2CAC #263CDE #5B6CE6 #909CEE #C5CBF6

Accessibility & contrast

On white

4.44

#5B6CE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#5B6CE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6CE6

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6CE6	#FFFFFF	#000000	##000000
##5B6CE6	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7EEA

Deuteranopia (green-blind)

#0072E3

Tritanopia (blue-blind)

#00899F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6ce6;
/* rgb */ color: rgb(91, 108, 230);
/* oklch */ color: oklch(58.3% 0.184 273.3);

Tailwind

colors: {
  custom: {
    50: '#9695ef',
    500: '#5b6ce6',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ce6;
$custom-light: #9695ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ce6",
  "rgb": {
    "r": 91,
    "g": 108,
    "b": 230
  },
  "hsl": {
    "h": 232.662,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.58306,
    "c": 0.18398,
    "h": 273.3
  },
  "luminance": 0.18662
}

Semantic roles & 50–950 ramp

primary

#5B6CE6

secondary

#E7E1B5

accent

#BD10D6

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6CE6

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

Preview Lab → · Contrast checker → · Palette generator →