#553CD9#553CD9

#553CD9 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 49.0% C 0.225 H 281.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#553CD9
RGB	rgb(85, 60, 217)
HSL	hsl(250, 67%, 54%)
HSV	hsv(250, 72%, 85%)
CMYK	cmyk(60.8%, 72.4%, 0%, 14.9%)
CIE-LAB	lab(38.15, 53.11, -76.46)
CIE-LCH	lch(38.15, 93.09, 304.78°)
OKLab	oklab(49% 0.0445 -0.2205)
OKLCH	oklch(49% 0.225 281.4)
XYZ	xyz(17.8826, 10.1715, 66.6531)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553CD9 #C0D93C

analogous

#3C72D9 #553CD9 #A43CD9

triadic

#553CD9 #D9553C #3CD955

tetradic

#553CD9 #D93C72 #C0D93C #3CD9A4

square

#553CD9 #D93C72 #C0D93C #3CD9A4

split-complementary

#553CD9 #D9A43C #72D93C

monochromatic

#2A1981 #3A23B5 #553CD9 #826FE3 #AEA2ED

Accessibility & contrast

On white

6.92

#553CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#553CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553CD9

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553CD9	#FFFFFF	#000000	##FFFFFF
##553CD9	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)

#005FDE

Deuteranopia (green-blind)

#0054D6

Tritanopia (blue-blind)

#006887

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #553cd9;
/* rgb */ color: rgb(85, 60, 217);
/* oklch */ color: oklch(49.0% 0.225 281.4);

Tailwind

colors: {
  custom: {
    50: '#9475e6',
    500: '#553cd9',
    950: '#000000',
  },
}

SCSS

$custom: #553cd9;
$custom-light: #9475e6;
$custom-dark: #000000;

JSON

{
  "hex": "#553cd9",
  "rgb": {
    "r": 85,
    "g": 60,
    "b": 217
  },
  "hsl": {
    "h": 249.554,
    "s": 67.382,
    "l": 54.314
  },
  "oklch": {
    "l": 0.48999,
    "c": 0.22493,
    "h": 281.4
  },
  "luminance": 0.10173
}

Semantic roles & 50–950 ramp

primary

#553CD9

secondary

#CFDA97

accent

#EA3ECF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0816

muted

#7E7B84

Preview Lab

Preview with #553CD9

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

Preview Lab → · Contrast checker → · Palette generator →