#5543D9#5543D9

#5543D9 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.0% C 0.218 H 280.5°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#5543D9
RGB	rgb(85, 67, 217)
HSL	hsl(247, 66%, 56%)
HSV	hsv(247, 69%, 85%)
CMYK	cmyk(60.8%, 69.1%, 0%, 14.9%)
CIE-LAB	lab(39.50, 49.34, -74.23)
CIE-LCH	lch(39.50, 89.14, 303.61°)
OKLab	oklab(49.96% 0.0395 -0.214)
OKLCH	oklch(49.96% 0.218 280.5)
XYZ	xyz(18.2739, 10.9540, 66.7836)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5543D9 #C7D943

analogous

#437CD9 #5543D9 #A043D9

triadic

#5543D9 #D95543 #43D955

tetradic

#5543D9 #D9437C #C7D943 #43D9A0

square

#5543D9 #D9437C #C7D943 #43D9A0

split-complementary

#5543D9 #D9A043 #7CD943

monochromatic

#281B86 #3725B9 #5543D9 #8376E3 #B1A9EE

Accessibility & contrast

On white

6.58

#5543D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#5543D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5543D9

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5543D9	#FFFFFF	#000000	##FFFFFF
##5543D9	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DE

Deuteranopia (green-blind)

#0057D6

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5543d9;
/* rgb */ color: rgb(85, 67, 217);
/* oklch */ color: oklch(50.0% 0.218 280.5);

Tailwind

colors: {
  custom: {
    50: '#9379e6',
    500: '#5543d9',
    950: '#000000',
  },
}

SCSS

$custom: #5543d9;
$custom-light: #9379e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5543d9",
  "rgb": {
    "r": 85,
    "g": 67,
    "b": 217
  },
  "hsl": {
    "h": 247.2,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.49964,
    "c": 0.21762,
    "h": 280.5
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#5543D9

secondary

#D4DB9D

accent

#E93FD5

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #5543D9

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

Preview Lab → · Contrast checker → · Palette generator →