#5B54DD#5B54DD

#5B54DD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.4% C 0.202 H 279.3°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B54DD
RGB	rgb(91, 84, 221)
HSL	hsl(243, 67%, 60%)
HSV	hsv(243, 62%, 87%)
CMYK	cmyk(58.8%, 62%, 0%, 13.3%)
CIE-LAB	lab(43.92, 41.73, -69.28)
CIE-LCH	lch(43.92, 80.87, 301.06°)
OKLab	oklab(53.38% 0.0328 -0.1993)
OKLCH	oklch(53.38% 0.202 279.3)
XYZ	xyz(20.5317, 13.7838, 69.9712)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B54DD #D6DD54

analogous

#5491DD #5B54DD #A054DD

triadic

#5B54DD #DD5B54 #54DD5B

tetradic

#5B54DD #DD5491 #D6DD54 #54DDA0

square

#5B54DD #DD5491 #D6DD54 #54DDA0

split-complementary

#5B54DD #DDA054 #91DD54

monochromatic

#251E98 #3128CB #5B54DD #8C87E7 #BDBAF1

Accessibility & contrast

On white

5.59

#5B54DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#5B54DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B54DD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B54DD	#FFFFFF	#000000	##FFFFFF
##5B54DD	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b54dd;
/* rgb */ color: rgb(91, 84, 221);
/* oklch */ color: oklch(53.4% 0.202 279.3);

Tailwind

colors: {
  custom: {
    50: '#9685e9',
    500: '#5b54dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b54dd;
$custom-light: #9685e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b54dd",
  "rgb": {
    "r": 91,
    "g": 84,
    "b": 221
  },
  "hsl": {
    "h": 243.066,
    "s": 66.829,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53381,
    "c": 0.20194,
    "h": 279.3
  },
  "luminance": 0.13785
}

Semantic roles & 50–950 ramp

primary

#5B54DD

secondary

#DEE1AC

accent

#EA3EE1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B16

muted

#7E7C84

Preview Lab

Preview with #5B54DD

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

Preview Lab → · Contrast checker → · Palette generator →