#553FD7#553FD7

#553FD7 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.2% C 0.219 H 281.3°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#553FD7
RGB	rgb(85, 63, 215)
HSL	hsl(249, 66%, 55%)
HSV	hsv(249, 71%, 84%)
CMYK	cmyk(60.5%, 70.7%, 0%, 15.7%)
CIE-LAB	lab(38.54, 50.92, -74.67)
CIE-LCH	lch(38.54, 90.38, 304.29°)
OKLab	oklab(49.22% 0.0428 -0.2153)
OKLCH	oklch(49.22% 0.219 281.3)
XYZ	xyz(17.7857, 10.3913, 65.3453)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.13

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553FD7 #C1D73F

analogous

#3F75D7 #553FD7 #A13FD7

triadic

#553FD7 #D7553F #3FD755

tetradic

#553FD7 #D73F75 #C1D73F #3FD7A1

square

#553FD7 #D73F75 #C1D73F #3FD7A1

split-complementary

#553FD7 #D7A13F #75D73F

monochromatic

#2A1B81 #3A25B3 #553FD7 #8272E2 #AFA4EC

Accessibility & contrast

On white

6.82

#553FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#553FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553FD7

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FD7	#FFFFFF	#000000	##FFFFFF
##553FD7	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DC

Deuteranopia (green-blind)

#0055D4

Tritanopia (blue-blind)

#006887

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #553fd7;
/* rgb */ color: rgb(85, 63, 215);
/* oklch */ color: oklch(49.2% 0.219 281.3);

Tailwind

colors: {
  custom: {
    50: '#9376e5',
    500: '#553fd7',
    950: '#000000',
  },
}

SCSS

$custom: #553fd7;
$custom-light: #9376e5;
$custom-dark: #000000;

JSON

{
  "hex": "#553fd7",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 215
  },
  "hsl": {
    "h": 248.684,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.49219,
    "c": 0.21949,
    "h": 281.3
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary

#553FD7

secondary

#D0D999

accent

#E83FD0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #553FD7

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

Preview Lab → · Contrast checker → · Palette generator →