#553FD4#553FD4

#553FD4 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.216 H 281.6°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#553FD4
RGB	rgb(85, 63, 212)
HSL	hsl(249, 63%, 54%)
HSV	hsv(249, 70%, 83%)
CMYK	cmyk(59.9%, 70.3%, 0%, 16.9%)
CIE-LAB	lab(38.27, 50.02, -73.39)
CIE-LCH	lch(38.27, 88.81, 304.28°)
OKLab	oklab(48.95% 0.0434 -0.2115)
OKLCH	oklch(48.95% 0.216 281.6)
XYZ	xyz(17.4038, 10.2386, 63.3337)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553FD4 #BED43F

analogous

#3F74D4 #553FD4 #A03FD4

triadic

#553FD4 #D4553F #3FD455

tetradic

#553FD4 #D43F74 #BED43F #3FD4A0

square

#553FD4 #D43F74 #BED43F #3FD4A0

split-complementary

#553FD4 #D4A03F #74D43F

monochromatic

#2A1C7D #3B27AF #553FD4 #8171DF #AEA3EA

Accessibility & contrast

On white

6.89

#553FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#553FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553FD4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FD4	#FFFFFF	#000000	##FFFFFF
##553FD4	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD8

Deuteranopia (green-blind)

#0055D1

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #553fd4;
/* rgb */ color: rgb(85, 63, 212);
/* oklch */ color: oklch(48.9% 0.216 281.6);

Tailwind

colors: {
  custom: {
    50: '#9376e2',
    500: '#553fd4',
    950: '#000000',
  },
}

SCSS

$custom: #553fd4;
$custom-light: #9376e2;
$custom-dark: #000000;

JSON

{
  "hex": "#553fd4",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 212
  },
  "hsl": {
    "h": 248.859,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48946,
    "c": 0.21591,
    "h": 281.6
  },
  "luminance": 0.1024
}

Semantic roles & 50–950 ramp

primary

#553FD4

secondary

#CED798

accent

#E641CE

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #553FD4

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

Preview Lab → · Contrast checker → · Palette generator →