#5B5BD4#5B5BD4

#5B5BD4 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.181 H 278.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BD4
RGB	rgb(91, 91, 212)
HSL	hsl(240, 58%, 59%)
HSV	hsv(240, 57%, 83%)
CMYK	cmyk(57.1%, 57.1%, 0%, 16.9%)
CIE-LAB	lab(44.88, 34.65, -62.58)
CIE-LCH	lch(44.88, 71.53, 298.97°)
OKLab	oklab(53.88% 0.0265 -0.1795)
OKLCH	oklch(53.88% 0.181 278.4)
XYZ	xyz(19.9354, 14.4584, 64.0148)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BD4 #D4D45B

analogous

#5B98D4 #5B5BD4 #985BD4

triadic

#5B5BD4 #D45B5B #5BD45B

tetradic

#5B5BD4 #D45B98 #D4D45B #5BD498

square

#5B5BD4 #D45B98 #D4D45B #5BD498

split-complementary

#5B5BD4 #D4985B #98D45B

monochromatic

#26268F #3232C0 #5B5BD4 #8B8BE1 #BCBCED

Accessibility & contrast

On white

5.40

#5B5BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5B5BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BD4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BD4	#FFFFFF	#000000	##FFFFFF
##5B5BD4	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD8

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#11788F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b5bd4;
/* rgb */ color: rgb(91, 91, 212);
/* oklch */ color: oklch(53.9% 0.181 278.4);

Tailwind

colors: {
  custom: {
    50: '#9489e2',
    500: '#5b5bd4',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bd4;
$custom-light: #9489e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bd4",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 212
  },
  "hsl": {
    "h": 240,
    "s": 58.454,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53881,
    "c": 0.18147,
    "h": 278.4
  },
  "luminance": 0.1446
}

Semantic roles & 50–950 ramp

primary

#5B5BD4

secondary

#DDDDAE

accent

#E246E2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5BD4

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

Preview Lab → · Contrast checker → · Palette generator →