#5B5BE5#5B5BE5

#5B5BE5 is a mid, highly saturated blue. Relative luminance 0.154; OKLCH L 55.2% C 0.204 H 277.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BE5
RGB	rgb(91, 91, 229)
HSL	hsl(240, 73%, 63%)
HSV	hsv(240, 60%, 90%)
CMYK	cmyk(60.3%, 60.3%, 0%, 10.2%)
CIE-LAB	lab(46.13, 40.11, -70.23)
CIE-LCH	lch(46.13, 80.87, 299.73°)
OKLab	oklab(55.19% 0.0262 -0.202)
OKLCH	oklch(55.19% 0.204 277.4)
XYZ	xyz(22.1938, 15.3618, 75.9091)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BE5 #E5E55B

analogous

#5BA0E5 #5B5BE5 #A05BE5

triadic

#5B5BE5 #E55B5B #5BE55B

tetradic

#5B5BE5 #E55BA0 #E5E55B #5BE5A0

square

#5B5BE5 #E55BA0 #E5E55B #5BE5A0

split-complementary

#5B5BE5 #E5A05B #A0E55B

monochromatic

#1B1BAB #2626DD #5B5BE5 #9090ED #C5C5F6

Accessibility & contrast

On white

5.16

#5B5BE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5B5BE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BE5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BE5	#FFFFFF	#000000	##FFFFFF
##5B5BE5	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EA

Deuteranopia (green-blind)

#0067E2

Tritanopia (blue-blind)

#007D97

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5b5be5;
/* rgb */ color: rgb(91, 91, 229);
/* oklch */ color: oklch(55.2% 0.204 277.4);

Tailwind

colors: {
  custom: {
    50: '#9689ee',
    500: '#5b5be5',
    950: '#000000',
  },
}

SCSS

$custom: #5b5be5;
$custom-light: #9689ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5be5",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 229
  },
  "hsl": {
    "h": 240,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55189,
    "c": 0.2037,
    "h": 277.4
  },
  "luminance": 0.15363
}

Semantic roles & 50–950 ramp

primary

#5B5BE5

secondary

#E7E7B5

accent

#D511D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0B16

muted

#7E7C84

Preview Lab

Preview with #5B5BE5

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

Preview Lab → · Contrast checker → · Palette generator →