#5B58CA#5B58CA

#5B58CA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.172 H 279.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5B58CA
RGB	rgb(91, 88, 202)
HSL	hsl(242, 52%, 57%)
HSV	hsv(242, 56%, 79%)
CMYK	cmyk(55%, 56.4%, 0%, 20.8%)
CIE-LAB	lab(43.46, 33.28, -59.14)
CIE-LCH	lch(43.46, 67.86, 299.37°)
OKLab	oklab(52.6% 0.0295 -0.1694)
OKLCH	oklch(52.6% 0.172 279.9)
XYZ	xyz(18.4614, 13.4667, 57.4922)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B58CA #C7CA58

analogous

#588ECA #5B58CA #9458CA

triadic

#5B58CA #CA5B58 #58CA5B

tetradic

#5B58CA #CA588E #C7CA58 #58CA94

square

#5B58CA #CA588E #C7CA58 #58CA94

split-complementary

#5B58CA #CA9458 #8ECA58

monochromatic

#2B287F #3A37AE #5B58CA #8986D9 #B6B5E7

Accessibility & contrast

On white

5.69

#5B58CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5B58CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B58CA

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B58CA	#FFFFFF	#000000	##FFFFFF
##5B58CA	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#0062C8

Tritanopia (blue-blind)

#257288

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b58ca;
/* rgb */ color: rgb(91, 88, 202);
/* oklch */ color: oklch(52.6% 0.172 279.9);

Tailwind

colors: {
  custom: {
    50: '#9287db',
    500: '#5b58ca',
    950: '#000000',
  },
}

SCSS

$custom: #5b58ca;
$custom-light: #9287db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b58ca",
  "rgb": {
    "r": 91,
    "g": 88,
    "b": 202
  },
  "hsl": {
    "h": 241.579,
    "s": 51.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52601,
    "c": 0.17197,
    "h": 279.9
  },
  "luminance": 0.13468
}

Semantic roles & 50–950 ramp

primary

#5B58CA

secondary

#D5D6A8

accent

#DB4DD8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B58CA

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

Preview Lab → · Contrast checker → · Palette generator →