#5B5DDE#5B5DDE

#5B5DDE is a mid, vivid blue. Relative luminance 0.153; OKLCH L 55.0% C 0.192 H 277.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DDE
RGB	rgb(91, 93, 222)
HSL	hsl(239, 66%, 61%)
HSV	hsv(239, 59%, 87%)
CMYK	cmyk(59%, 58.1%, 0%, 12.9%)
CIE-LAB	lab(46.08, 36.65, -66.34)
CIE-LCH	lch(46.08, 75.79, 298.92°)
OKLab	oklab(54.99% 0.0246 -0.1906)
OKLCH	oklch(54.99% 0.192 277.3)
XYZ	xyz(21.4093, 15.3252, 70.9229)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DDE #DEDC5B

analogous

#5B9FDE #5B5DDE #9B5BDE

triadic

#5B5DDE #DE5B5D #5DDE5B

tetradic

#5B5DDE #DE5B9F #DEDC5B #5BDE9B

square

#5B5DDE #DE5B9F #DEDC5B #5BDE9B

split-complementary

#5B5DDE #DE9B5B #9FDE5B

monochromatic

#20229F #2A2DD2 #5B5DDE #8E8FE8 #C1C2F3

Accessibility & contrast

On white

5.17

#5B5DDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5B5DDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DDE

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DDE	#FFFFFF	#000000	##FFFFFF
##5B5DDE	1.00	5.17	4.07	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E2

Deuteranopia (green-blind)

#0068DB

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5b5dde;
/* rgb */ color: rgb(91, 93, 222);
/* oklch */ color: oklch(55.0% 0.192 277.3);

Tailwind

colors: {
  custom: {
    50: '#958be9',
    500: '#5b5dde',
    950: '#000000',
  },
}

SCSS

$custom: #5b5dde;
$custom-light: #958be9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5dde",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 222
  },
  "hsl": {
    "h": 239.084,
    "s": 66.497,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54991,
    "c": 0.19216,
    "h": 277.3
  },
  "luminance": 0.15327
}

Semantic roles & 50–950 ramp

primary

#5B5DDE

secondary

#E3E2B2

accent

#CC17CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B5DDE

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

Preview Lab → · Contrast checker → · Palette generator →