#5B5DD5#5B5DD5

#5B5DD5 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.180 H 277.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DD5
RGB	rgb(91, 93, 213)
HSL	hsl(239, 59%, 60%)
HSV	hsv(239, 57%, 84%)
CMYK	cmyk(57.3%, 56.3%, 0%, 16.5%)
CIE-LAB	lab(45.44, 33.75, -62.25)
CIE-LCH	lch(45.44, 70.81, 298.46°)
OKLab	oklab(54.31% 0.0246 -0.1785)
OKLCH	oklch(54.31% 0.18 277.8)
XYZ	xyz(20.2351, 14.8555, 64.7390)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DD5 #D5D35B

analogous

#5B9AD5 #5B5DD5 #965BD5

triadic

#5B5DD5 #D55B5D #5DD55B

tetradic

#5B5DD5 #D55B9A #D5D35B #5BD596

square

#5B5DD5 #D55B9A #D5D35B #5BD596

split-complementary

#5B5DD5 #D5965B #9AD55B

monochromatic

#252791 #3234C1 #5B5DD5 #8C8DE1 #BCBDEE

Accessibility & contrast

On white

5.29

#5B5DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5B5DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DD5

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DD5	#FFFFFF	#000000	##FFFFFF
##5B5DD5	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071D9

Deuteranopia (green-blind)

#0067D3

Tritanopia (blue-blind)

#0D7990

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b5dd5;
/* rgb */ color: rgb(91, 93, 213);
/* oklch */ color: oklch(54.3% 0.180 277.8);

Tailwind

colors: {
  custom: {
    50: '#948be3',
    500: '#5b5dd5',
    950: '#000000',
  },
}

SCSS

$custom: #5b5dd5;
$custom-light: #948be3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5dd5",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 213
  },
  "hsl": {
    "h": 239.016,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54313,
    "c": 0.18023,
    "h": 277.8
  },
  "luminance": 0.14857
}

Semantic roles & 50–950 ramp

primary

#5B5DD5

secondary

#DEDDAE

accent

#E045E2

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C15

muted

#7E7D84

Preview Lab

Preview with #5B5DD5

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

Preview Lab → · Contrast checker → · Palette generator →