#5B54CF#5B54CF

#5B54CF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.3% C 0.184 H 280.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5B54CF
RGB	rgb(91, 84, 207)
HSL	hsl(243, 56%, 57%)
HSV	hsv(243, 59%, 81%)
CMYK	cmyk(56%, 59.4%, 0%, 18.8%)
CIE-LAB	lab(42.87, 37.30, -62.98)
CIE-LCH	lch(42.87, 73.19, 300.64°)
OKLab	oklab(52.28% 0.0335 -0.1807)
OKLCH	oklch(52.28% 0.184 280.5)
XYZ	xyz(18.7437, 13.0686, 60.5542)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B54CF #C8CF54

analogous

#548ACF #5B54CF #9954CF

triadic

#5B54CF #CF5B54 #54CF5B

tetradic

#5B54CF #CF548A #C8CF54 #54CF99

square

#5B54CF #CF548A #C8CF54 #54CF99

split-complementary

#5B54CF #CF9954 #8ACF54

monochromatic

#2A2584 #3A32B3 #5B54CF #8984DC #B7B4EA

Accessibility & contrast

On white

5.81

#5B54CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5B54CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B54CF

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B54CF	#FFFFFF	#000000	##FFFFFF
##5B54CF	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#1E7189

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5b54cf;
/* rgb */ color: rgb(91, 84, 207);
/* oklch */ color: oklch(52.3% 0.184 280.5);

Tailwind

colors: {
  custom: {
    50: '#9384df',
    500: '#5b54cf',
    950: '#000000',
  },
}

SCSS

$custom: #5b54cf;
$custom-light: #9384df;
$custom-dark: #000000;

JSON

{
  "hex": "#5b54cf",
  "rgb": {
    "r": 91,
    "g": 84,
    "b": 207
  },
  "hsl": {
    "h": 243.415,
    "s": 56.164,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.18382,
    "h": 280.5
  },
  "luminance": 0.1307
}

Semantic roles & 50–950 ramp

primary

#5B54CF

secondary

#D6D8A6

accent

#DF48D7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B54CF

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

Preview Lab → · Contrast checker → · Palette generator →