#553DD7#553DD7

#553DD7 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.222 H 281.5°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#553DD7
RGB	rgb(85, 61, 215)
HSL	hsl(249, 66%, 54%)
HSV	hsv(249, 72%, 84%)
CMYK	cmyk(60.5%, 71.6%, 0%, 15.7%)
CIE-LAB	lab(38.15, 51.99, -75.30)
CIE-LCH	lch(38.15, 91.50, 304.62°)
OKLab	oklab(48.95% 0.0443 -0.2171)
OKLCH	oklch(48.95% 0.222 281.5)
XYZ	xyz(17.6770, 10.1738, 65.3090)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553DD7 #BFD73D

analogous

#3D72D7 #553DD7 #A23DD7

triadic

#553DD7 #D7553D #3DD755

tetradic

#553DD7 #D73D72 #BFD73D #3DD7A2

square

#553DD7 #D73D72 #BFD73D #3DD7A2

split-complementary

#553DD7 #D7A23D #72D73D

monochromatic

#2A1A7F #3B25B2 #553DD7 #8170E1 #AEA2EC

Accessibility & contrast

On white

6.92

#553DD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#553DD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553DD7

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553DD7	#FFFFFF	#000000	##FFFFFF
##553DD7	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDC

Deuteranopia (green-blind)

#0054D4

Tritanopia (blue-blind)

#006786

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #553dd7;
/* rgb */ color: rgb(85, 61, 215);
/* oklch */ color: oklch(48.9% 0.222 281.5);

Tailwind

colors: {
  custom: {
    50: '#9375e5',
    500: '#553dd7',
    950: '#000000',
  },
}

SCSS

$custom: #553dd7;
$custom-light: #9375e5;
$custom-dark: #000000;

JSON

{
  "hex": "#553dd7",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 215
  },
  "hsl": {
    "h": 249.351,
    "s": 65.812,
    "l": 54.118
  },
  "oklch": {
    "l": 0.48947,
    "c": 0.22157,
    "h": 281.5
  },
  "luminance": 0.10175
}

Semantic roles & 50–950 ramp

primary

#553DD7

secondary

#CED997

accent

#E93FCE

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #553DD7

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

Preview Lab → · Contrast checker → · Palette generator →