#5B5DE3#5B5DE3

#5B5DE3 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.4% C 0.199 H 277.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DE3
RGB	rgb(91, 93, 227)
HSL	hsl(239, 71%, 62%)
HSV	hsv(239, 60%, 89%)
CMYK	cmyk(59.9%, 59%, 0%, 11%)
CIE-LAB	lab(46.44, 38.27, -68.58)
CIE-LCH	lch(46.44, 78.54, 299.16°)
OKLab	oklab(55.38% 0.0245 -0.1972)
OKLCH	oklch(55.38% 0.199 277.1)
XYZ	xyz(22.0894, 15.5972, 74.5047)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DE3 #E3E15B

analogous

#5BA1E3 #5B5DE3 #9D5BE3

triadic

#5B5DE3 #E35B5D #5DE35B

tetradic

#5B5DE3 #E35BA1 #E3E15B #5BE39D

square

#5B5DE3 #E35BA1 #E3E15B #5BE39D

split-complementary

#5B5DE3 #E39D5B #A1E35B

monochromatic

#1D1FA7 #2729DA #5B5DE3 #8F91EC #C4C4F5

Accessibility & contrast

On white

5.10

#5B5DE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#5B5DE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DE3

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DE3	#FFFFFF	#000000	##FFFFFF
##5B5DE3	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E7

Deuteranopia (green-blind)

#0068E0

Tritanopia (blue-blind)

#007E97

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b5de3;
/* rgb */ color: rgb(91, 93, 227);
/* oklch */ color: oklch(55.4% 0.199 277.1);

Tailwind

colors: {
  custom: {
    50: '#968bed',
    500: '#5b5de3',
    950: '#000000',
  },
}

SCSS

$custom: #5b5de3;
$custom-light: #968bed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5de3",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 227
  },
  "hsl": {
    "h": 239.118,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55375,
    "c": 0.19869,
    "h": 277.1
  },
  "luminance": 0.15599
}

Semantic roles & 50–950 ramp

primary

#5B5DE3

secondary

#E6E5B4

accent

#D013D3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5B5DE3

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

Preview Lab → · Contrast checker → · Palette generator →