#553FD1#553FD1

#553FD1 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.7% C 0.212 H 281.9°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#553FD1
RGB	rgb(85, 63, 209)
HSL	hsl(249, 61%, 53%)
HSV	hsv(249, 70%, 82%)
CMYK	cmyk(59.3%, 69.9%, 0%, 18%)
CIE-LAB	lab(38.00, 49.11, -72.09)
CIE-LCH	lch(38.00, 87.23, 304.26°)
OKLab	oklab(48.67% 0.0439 -0.2077)
OKLCH	oklch(48.67% 0.212 281.9)
XYZ	xyz(17.0289, 10.0886, 61.3592)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553FD1 #BBD13F

analogous

#3F72D1 #553FD1 #9E3FD1

triadic

#553FD1 #D1553F #3FD155

tetradic

#553FD1 #D13F72 #BBD13F #3FD19E

square

#553FD1 #D13F72 #BBD13F #3FD19E

split-complementary

#553FD1 #D19E3F #72D13F

monochromatic

#2B1D79 #3C29AA #553FD1 #8170DD #ACA2E9

Accessibility & contrast

On white

6.96

#553FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#553FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553FD1

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FD1	#FFFFFF	#000000	##FFFFFF
##553FD1	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED5

Deuteranopia (green-blind)

#0054CE

Tritanopia (blue-blind)

#006683

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #553fd1;
/* rgb */ color: rgb(85, 63, 209);
/* oklch */ color: oklch(48.7% 0.212 281.9);

Tailwind

colors: {
  custom: {
    50: '#9276e0',
    500: '#553fd1',
    950: '#000000',
  },
}

SCSS

$custom: #553fd1;
$custom-light: #9276e0;
$custom-dark: #000000;

JSON

{
  "hex": "#553fd1",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 209
  },
  "hsl": {
    "h": 249.041,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48674,
    "c": 0.21231,
    "h": 281.9
  },
  "luminance": 0.1009
}

Semantic roles & 50–950 ramp

primary

#553FD1

secondary

#CCD597

accent

#E443CC

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #553FD1

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

Preview Lab → · Contrast checker → · Palette generator →