#553DD4#553DD4

#553DD4 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.7% C 0.218 H 281.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#553DD4
RGB	rgb(85, 61, 212)
HSL	hsl(250, 64%, 54%)
HSV	hsv(250, 71%, 83%)
CMYK	cmyk(59.9%, 71.2%, 0%, 16.9%)
CIE-LAB	lab(37.88, 51.09, -74.02)
CIE-LCH	lch(37.88, 89.94, 304.61°)
OKLab	oklab(48.67% 0.0449 -0.2134)
OKLCH	oklch(48.67% 0.218 281.9)
XYZ	xyz(17.2950, 10.0210, 63.2975)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553DD4 #BCD43D

analogous

#3D70D4 #553DD4 #A03DD4

triadic

#553DD4 #D4553D #3DD455

tetradic

#553DD4 #D43D70 #BCD43D #3DD4A0

square

#553DD4 #D43D70 #BCD43D #3DD4A0

split-complementary

#553DD4 #D4A03D #70D43D

monochromatic

#2B1B7B #3C26AD #553DD4 #816FDF #ADA1EA

Accessibility & contrast

On white

6.99

#553DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#553DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553DD4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553DD4	#FFFFFF	#000000	##FFFFFF
##553DD4	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED8

Deuteranopia (green-blind)

#0054D1

Tritanopia (blue-blind)

#006685

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #553dd4;
/* rgb */ color: rgb(85, 61, 212);
/* oklch */ color: oklch(48.7% 0.218 281.9);

Tailwind

colors: {
  custom: {
    50: '#9375e2',
    500: '#553dd4',
    950: '#000000',
  },
}

SCSS

$custom: #553dd4;
$custom-light: #9375e2;
$custom-dark: #000000;

JSON

{
  "hex": "#553dd4",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 212
  },
  "hsl": {
    "h": 249.536,
    "s": 63.713,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4867,
    "c": 0.21802,
    "h": 281.9
  },
  "luminance": 0.10022
}

Semantic roles & 50–950 ramp

primary

#553DD4

secondary

#CCD796

accent

#E741CC

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #553DD4

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

Preview Lab → · Contrast checker → · Palette generator →