#553EDB#553EDB

#553EDB is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.5% C 0.225 H 280.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#553EDB
RGB	rgb(85, 62, 219)
HSL	hsl(249, 69%, 55%)
HSV	hsv(249, 72%, 86%)
CMYK	cmyk(61.2%, 71.7%, 0%, 14.1%)
CIE-LAB	lab(38.71, 52.65, -76.69)
CIE-LCH	lch(38.71, 93.02, 304.47°)
OKLab	oklab(49.45% 0.0428 -0.2212)
OKLCH	oklch(49.45% 0.225 280.9)
XYZ	xyz(18.2511, 10.4897, 68.0670)
Luminance	0.1049 (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

#553EDB #C4DB3E

analogous

#3E75DB #553EDB #A43EDB

triadic

#553EDB #DB553E #3EDB55

tetradic

#553EDB #DB3E75 #C4DB3E #3EDBA4

square

#553EDB #DB3E75 #C4DB3E #3EDBA4

split-complementary

#553EDB #DBA43E #75DB3E

monochromatic

#291986 #3923B9 #553EDB #8272E5 #B0A5EE

Accessibility & contrast

On white

6.78

#553EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#553EDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553EDB

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553EDB	#FFFFFF	#000000	##FFFFFF
##553EDB	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E0

Deuteranopia (green-blind)

#0055D8

Tritanopia (blue-blind)

#006989

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #553edb;
/* rgb */ color: rgb(85, 62, 219);
/* oklch */ color: oklch(49.5% 0.225 280.9);

Tailwind

colors: {
  custom: {
    50: '#9476e7',
    500: '#553edb',
    950: '#000000',
  },
}

SCSS

$custom: #553edb;
$custom-light: #9476e7;
$custom-dark: #000000;

JSON

{
  "hex": "#553edb",
  "rgb": {
    "r": 85,
    "g": 62,
    "b": 219
  },
  "hsl": {
    "h": 248.79,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49451,
    "c": 0.22526,
    "h": 280.9
  },
  "luminance": 0.10491
}

Semantic roles & 50–950 ramp

primary

#553EDB

secondary

#D2DB99

accent

#EB3CD2

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #553EDB

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

Preview Lab → · Contrast checker → · Palette generator →