#553FD3#553FD3

#553FD3 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.215 H 281.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#553FD3
RGB	rgb(85, 63, 211)
HSL	hsl(249, 63%, 54%)
HSV	hsv(249, 70%, 83%)
CMYK	cmyk(59.7%, 70.1%, 0%, 17.3%)
CIE-LAB	lab(38.18, 49.71, -72.96)
CIE-LCH	lch(38.18, 88.28, 304.27°)
OKLab	oklab(48.86% 0.0436 -0.2102)
OKLCH	oklch(48.86% 0.215 281.7)
XYZ	xyz(17.2780, 10.1883, 62.6714)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.77

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553FD3 #BDD33F

analogous

#3F73D3 #553FD3 #9F3FD3

triadic

#553FD3 #D3553F #3FD355

tetradic

#553FD3 #D33F73 #BDD33F #3FD39F

square

#553FD3 #D33F73 #BDD33F #3FD39F

split-complementary

#553FD3 #D39F3F #73D33F

monochromatic

#2A1C7B #3C28AD #553FD3 #8171DE #ADA3EA

Accessibility & contrast

On white

6.91

#553FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#553FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553FD3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FD3	#FFFFFF	#000000	##FFFFFF
##553FD3	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD7

Deuteranopia (green-blind)

#0055D0

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #553fd3;
/* rgb */ color: rgb(85, 63, 211);
/* oklch */ color: oklch(48.9% 0.215 281.7);

Tailwind

colors: {
  custom: {
    50: '#9276e2',
    500: '#553fd3',
    950: '#000000',
  },
}

SCSS

$custom: #553fd3;
$custom-light: #9276e2;
$custom-dark: #000000;

JSON

{
  "hex": "#553fd3",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 248.919,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48855,
    "c": 0.21472,
    "h": 281.7
  },
  "luminance": 0.10189
}

Semantic roles & 50–950 ramp

primary

#553FD3

secondary

#CDD797

accent

#E642CD

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0915

muted

#7E7B84

Preview Lab

Preview with #553FD3

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

Preview Lab → · Contrast checker → · Palette generator →