#5B5CD5#5B5CD5

#5B5CD5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.1% C 0.182 H 278.1°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CD5
RGB	rgb(91, 92, 213)
HSL	hsl(240, 59%, 60%)
HSV	hsv(240, 57%, 84%)
CMYK	cmyk(57.3%, 56.8%, 0%, 16.5%)
CIE-LAB	lab(45.19, 34.36, -62.64)
CIE-LCH	lch(45.19, 71.45, 298.74°)
OKLab	oklab(54.13% 0.0256 -0.1797)
OKLCH	oklch(54.13% 0.182 278.1)
XYZ	xyz(20.1479, 14.6811, 64.7099)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CD5 #D5D45B

analogous

#5B99D5 #5B5CD5 #975BD5

triadic

#5B5CD5 #D55B5C #5CD55B

tetradic

#5B5CD5 #D55B99 #D5D45B #5BD597

square

#5B5CD5 #D55B99 #D5D45B #5BD597

split-complementary

#5B5CD5 #D5975B #99D55B

monochromatic

#252691 #3233C1 #5B5CD5 #8C8CE1 #BCBDEE

Accessibility & contrast

On white

5.33

#5B5CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#5B5CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CD5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CD5	#FFFFFF	#000000	##FFFFFF
##5B5CD5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D9

Deuteranopia (green-blind)

#0066D3

Tritanopia (blue-blind)

#0D798F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5b5cd5;
/* rgb */ color: rgb(91, 92, 213);
/* oklch */ color: oklch(54.1% 0.182 278.1);

Tailwind

colors: {
  custom: {
    50: '#948ae3',
    500: '#5b5cd5',
    950: '#000000',
  },
}

SCSS

$custom: #5b5cd5;
$custom-light: #948ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5cd5",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 213
  },
  "hsl": {
    "h": 239.508,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54134,
    "c": 0.18152,
    "h": 278.1
  },
  "luminance": 0.14683
}

Semantic roles & 50–950 ramp

primary

#5B5CD5

secondary

#DEDDAE

accent

#E145E2

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B15

muted

#7E7C84

Preview Lab

Preview with #5B5CD5

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

Preview Lab → · Contrast checker → · Palette generator →