#5B58BF#5B58BF

#5B58BF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.157 H 280.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5B58BF
RGB	rgb(91, 88, 191)
HSL	hsl(242, 45%, 55%)
HSV	hsv(242, 54%, 75%)
CMYK	cmyk(52.4%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(42.71, 29.78, -53.97)
CIE-LCH	lch(42.71, 61.65, 298.89°)
OKLab	oklab(51.81% 0.0292 -0.1542)
OKLCH	oklch(51.81% 0.157 280.7)
XYZ	xyz(17.2052, 12.9642, 50.8759)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B58BF #BCBF58

analogous

#5888BF #5B58BF #8F58BF

triadic

#5B58BF #BF5B58 #58BF5B

tetradic

#5B58BF #BF5888 #BCBF58 #58BF8F

square

#5B58BF #BF5888 #BCBF58 #58BF8F

split-complementary

#5B58BF #BF8F58 #88BF58

monochromatic

#2D2B71 #3F3C9D #5B58BF #8684D0 #B2B0E1

Accessibility & contrast

On white

5.84

#5B58BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5B58BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B58BF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B58BF	#FFFFFF	#000000	##FFFFFF
##5B58BF	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C69C3

Deuteranopia (green-blind)

#0C61BD

Tritanopia (blue-blind)

#316F83

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5b58bf;
/* rgb */ color: rgb(91, 88, 191);
/* oklch */ color: oklch(51.8% 0.157 280.7);

Tailwind

colors: {
  custom: {
    50: '#9187d3',
    500: '#5b58bf',
    950: '#000000',
  },
}

SCSS

$custom: #5b58bf;
$custom-light: #9187d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b58bf",
  "rgb": {
    "r": 91,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 241.748,
    "s": 44.589,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51805,
    "c": 0.15697,
    "h": 280.7
  },
  "luminance": 0.12965
}

Semantic roles & 50–950 ramp

primary

#5B58BF

secondary

#CECFA4

accent

#D454D1

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5B58BF

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

Preview Lab → · Contrast checker → · Palette generator →