#5B5DCD#5B5DCD

#5B5DCD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.169 H 278.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B5DCD
RGB	rgb(91, 93, 205)
HSL	hsl(239, 53%, 58%)
HSV	hsv(239, 56%, 80%)
CMYK	cmyk(55.6%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(44.88, 31.17, -58.56)
CIE-LCH	lch(44.88, 66.34, 298.03°)
OKLab	oklab(53.73% 0.0244 -0.1677)
OKLCH	oklch(53.73% 0.169 278.3)
XYZ	xyz(19.2447, 14.4593, 59.5226)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5DCD #CDCB5B

analogous

#5B96CD #5B5DCD #925BCD

triadic

#5B5DCD #CD5B5D #5DCD5B

tetradic

#5B5DCD #CD5B96 #CDCB5B #5BCD92

square

#5B5DCD #CD5B96 #CDCB5B #5BCD92

split-complementary

#5B5DCD #CD925B #96CD5B

monochromatic

#292A85 #3739B4 #5B5DCD #8A8BDB #B9BAEA

Accessibility & contrast

On white

5.40

#5B5DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5B5DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5DCD

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5DCD	#FFFFFF	#000000	##FFFFFF
##5B5DCD	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)

#126FD1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#1F778C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b5dcd;
/* rgb */ color: rgb(91, 93, 205);
/* oklch */ color: oklch(53.7% 0.169 278.3);

Tailwind

colors: {
  custom: {
    50: '#938bdd',
    500: '#5b5dcd',
    950: '#000000',
  },
}

SCSS

$custom: #5b5dcd;
$custom-light: #938bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5dcd",
  "rgb": {
    "r": 91,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 238.947,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53728,
    "c": 0.16944,
    "h": 278.3
  },
  "luminance": 0.14461
}

Semantic roles & 50–950 ramp

primary

#5B5DCD

secondary

#D9D8AB

accent

#DA4BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B5DCD

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

Preview Lab → · Contrast checker → · Palette generator →