#5B5FEB#5B5FEB

#5B5FEB is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.3% C 0.207 H 276.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FEB
RGB	rgb(91, 95, 235)
HSL	hsl(238, 78%, 64%)
HSV	hsv(238, 61%, 92%)
CMYK	cmyk(61.3%, 59.6%, 0%, 7.8%)
CIE-LAB	lab(47.50, 39.65, -71.37)
CIE-LCH	lch(47.50, 81.65, 299.05°)
OKLab	oklab(56.34% 0.0225 -0.2053)
OKLCH	oklch(56.34% 0.207 276.3)
XYZ	xyz(23.3971, 16.4049, 80.5146)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FEB #EBE75B

analogous

#5BA7EB #5B5FEB #9F5BEB

triadic

#5B5FEB #EB5B5F #5FEB5B

tetradic

#5B5FEB #EB5BA7 #EBE75B #5BEB9F

square

#5B5FEB #EB5BA7 #EBE75B #5BEB9F

split-complementary

#5B5FEB #EB9F5B #A7EB5B

monochromatic

#161BB5 #242AE4 #5B5FEB #9294F2 #C8C9F8

Accessibility & contrast

On white

4.90

#5B5FEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#5B5FEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FEB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FEB	#FFFFFF	#000000	##FFFFFF
##5B5FEB	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F0

Deuteranopia (green-blind)

#006BE8

Tritanopia (blue-blind)

#00819C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b5feb;
/* rgb */ color: rgb(91, 95, 235);
/* oklch */ color: oklch(56.3% 0.207 276.3);

Tailwind

colors: {
  custom: {
    50: '#978cf2',
    500: '#5b5feb',
    950: '#000000',
  },
}

SCSS

$custom: #5b5feb;
$custom-light: #978cf2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5feb",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 235
  },
  "hsl": {
    "h": 238.333,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56344,
    "c": 0.20658,
    "h": 276.3
  },
  "luminance": 0.16407
}

Semantic roles & 50–950 ramp

primary

#5B5FEB

secondary

#EAE9B8

accent

#D50BDB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5FEB

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

Preview Lab → · Contrast checker → · Palette generator →