#553CD3#553CD3

#553CD3 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.4% C 0.218 H 282.1°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#553CD3
RGB	rgb(85, 60, 211)
HSL	hsl(250, 63%, 53%)
HSV	hsv(250, 72%, 83%)
CMYK	cmyk(59.7%, 71.6%, 0%, 17.3%)
CIE-LAB	lab(37.60, 51.32, -73.91)
CIE-LCH	lch(37.60, 89.98, 304.78°)
OKLab	oklab(48.44% 0.0458 -0.213)
OKLCH	oklch(48.44% 0.218 282.1)
XYZ	xyz(17.1164, 9.8650, 62.6176)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553CD3 #BAD33C

analogous

#3C6ED3 #553CD3 #A13CD3

triadic

#553CD3 #D3553C #3CD355

tetradic

#553CD3 #D33C6E #BAD33C #3CD3A1

square

#553CD3 #D33C6E #BAD33C #3CD3A1

split-complementary

#553CD3 #D3A13C #6ED33C

monochromatic

#2B1B79 #3D27AB #553CD3 #816EDE #ACA0EA

Accessibility & contrast

On white

7.06

#553CD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#553CD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553CD3

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553CD3	#FFFFFF	#000000	##FFFFFF
##553CD3	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD7

Deuteranopia (green-blind)

#0053D0

Tritanopia (blue-blind)

#006584

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #553cd3;
/* rgb */ color: rgb(85, 60, 211);
/* oklch */ color: oklch(48.4% 0.218 282.1);

Tailwind

colors: {
  custom: {
    50: '#9374e2',
    500: '#553cd3',
    950: '#000000',
  },
}

SCSS

$custom: #553cd3;
$custom-light: #9374e2;
$custom-dark: #000000;

JSON

{
  "hex": "#553cd3",
  "rgb": {
    "r": 85,
    "g": 60,
    "b": 211
  },
  "hsl": {
    "h": 249.934,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48443,
    "c": 0.21788,
    "h": 282.1
  },
  "luminance": 0.09866
}

Semantic roles & 50–950 ramp

primary

#553CD3

secondary

#CBD695

accent

#E642CB

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0815

muted

#7E7B84

Preview Lab

Preview with #553CD3

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

Preview Lab → · Contrast checker → · Palette generator →