#5B5BD2#5B5BD2

#5B5BD2 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.7% C 0.179 H 278.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BD2
RGB	rgb(91, 91, 210)
HSL	hsl(240, 57%, 59%)
HSV	hsv(240, 57%, 82%)
CMYK	cmyk(56.7%, 56.7%, 0%, 17.6%)
CIE-LAB	lab(44.74, 34.00, -61.66)
CIE-LCH	lch(44.74, 70.41, 298.88°)
OKLab	oklab(53.73% 0.0265 -0.1768)
OKLCH	oklch(53.73% 0.179 278.5)
XYZ	xyz(19.6846, 14.3581, 62.6944)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BD2 #D2D25B

analogous

#5B97D2 #5B5BD2 #975BD2

triadic

#5B5BD2 #D25B5B #5BD25B

tetradic

#5B5BD2 #D25B97 #D2D25B #5BD297

square

#5B5BD2 #D25B97 #D2D25B #5BD297

split-complementary

#5B5BD2 #D2975B #97D25B

monochromatic

#26268C #3434BC #5B5BD2 #8B8BDF #BBBBEC

Accessibility & contrast

On white

5.42

#5B5BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5B5BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BD2

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BD2	#FFFFFF	#000000	##FFFFFF
##5B5BD2	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0065D0

Tritanopia (blue-blind)

#16778E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b5bd2;
/* rgb */ color: rgb(91, 91, 210);
/* oklch */ color: oklch(53.7% 0.179 278.5);

Tailwind

colors: {
  custom: {
    50: '#9389e1',
    500: '#5b5bd2',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bd2;
$custom-light: #9389e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bd2",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 210
  },
  "hsl": {
    "h": 240,
    "s": 56.938,
    "l": 59.02
  },
  "oklch": {
    "l": 0.53731,
    "c": 0.1788,
    "h": 278.5
  },
  "luminance": 0.14359
}

Semantic roles & 50–950 ramp

primary

#5B5BD2

secondary

#DCDCAD

accent

#E048E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5BD2

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

Preview Lab → · Contrast checker → · Palette generator →