#5B54CD#5B54CD

#5B54CD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.1% C 0.181 H 280.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5B54CD
RGB	rgb(91, 84, 205)
HSL	hsl(243, 55%, 57%)
HSV	hsv(243, 59%, 80%)
CMYK	cmyk(55.6%, 59%, 0%, 19.6%)
CIE-LAB	lab(42.72, 36.67, -62.06)
CIE-LCH	lch(42.72, 72.08, 300.57°)
OKLab	oklab(52.12% 0.0335 -0.1781)
OKLCH	oklch(52.12% 0.181 280.7)
XYZ	xyz(18.5007, 12.9714, 59.2746)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B54CD #C6CD54

analogous

#548ACD #5B54CD #9854CD

triadic

#5B54CD #CD5B54 #54CD5B

tetradic

#5B54CD #CD548A #C6CD54 #54CD98

square

#5B54CD #CD548A #C6CD54 #54CD98

split-complementary

#5B54CD #CD9854 #8ACD54

monochromatic

#2B2681 #3B34B0 #5B54CD #8883DB #B6B3E9

Accessibility & contrast

On white

5.84

#5B54CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5B54CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B54CD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B54CD	#FFFFFF	#000000	##FFFFFF
##5B54CD	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)

#0069D1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#217188

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5b54cd;
/* rgb */ color: rgb(91, 84, 205);
/* oklch */ color: oklch(52.1% 0.181 280.7);

Tailwind

colors: {
  custom: {
    50: '#9384dd',
    500: '#5b54cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b54cd;
$custom-light: #9384dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b54cd",
  "rgb": {
    "r": 91,
    "g": 84,
    "b": 205
  },
  "hsl": {
    "h": 243.471,
    "s": 54.751,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52122,
    "c": 0.18119,
    "h": 280.7
  },
  "luminance": 0.12973
}

Semantic roles & 50–950 ramp

primary

#5B54CD

secondary

#D4D7A6

accent

#DE4AD6

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B54CD

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

Preview Lab → · Contrast checker → · Palette generator →