#5B5FE3#5B5FE3

#5B5FE3 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.7% C 0.196 H 276.6°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FE3
RGB	rgb(91, 95, 227)
HSL	hsl(238, 71%, 62%)
HSV	hsv(238, 60%, 89%)
CMYK	cmyk(59.9%, 58.1%, 0%, 11%)
CIE-LAB	lab(46.91, 37.06, -67.82)
CIE-LCH	lch(46.91, 77.28, 298.65°)
OKLab	oklab(55.72% 0.0227 -0.1949)
OKLCH	oklch(55.72% 0.196 276.6)
XYZ	xyz(22.2672, 15.9529, 74.5640)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FE3 #E3DF5B

analogous

#5BA3E3 #5B5FE3 #9B5BE3

triadic

#5B5FE3 #E35B5F #5FE35B

tetradic

#5B5FE3 #E35BA3 #E3DF5B #5BE39B

square

#5B5FE3 #E35BA3 #E3DF5B #5BE39B

split-complementary

#5B5FE3 #E39B5B #A3E35B

monochromatic

#1D21A7 #272CDA #5B5FE3 #8F92EC #C4C5F5

Accessibility & contrast

On white

5.01

#5B5FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#5B5FE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FE3

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FE3	#FFFFFF	#000000	##FFFFFF
##5B5FE3	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E7

Deuteranopia (green-blind)

#0069E0

Tritanopia (blue-blind)

#007F98

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b5fe3;
/* rgb */ color: rgb(91, 95, 227);
/* oklch */ color: oklch(55.7% 0.196 276.6);

Tailwind

colors: {
  custom: {
    50: '#968ced',
    500: '#5b5fe3',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fe3;
$custom-light: #968ced;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fe3",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 227
  },
  "hsl": {
    "h": 238.235,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55724,
    "c": 0.19622,
    "h": 276.6
  },
  "luminance": 0.15955
}

Semantic roles & 50–950 ramp

primary

#5B5FE3

secondary

#E6E4B4

accent

#CD13D3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5B5FE3

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

Preview Lab → · Contrast checker → · Palette generator →