#553DDA#553DDA

#553DDA is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.2% C 0.225 H 281.2°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#553DDA
RGB	rgb(85, 61, 218)
HSL	hsl(249, 68%, 55%)
HSV	hsv(249, 72%, 85%)
CMYK	cmyk(61%, 72%, 0%, 14.5%)
CIE-LAB	lab(38.43, 52.88, -76.57)
CIE-LCH	lch(38.43, 93.06, 304.63°)
OKLab	oklab(49.23% 0.0437 -0.2208)
OKLCH	oklch(49.23% 0.225 281.2)
XYZ	xyz(18.0660, 10.3294, 67.3578)
Luminance	0.1033 (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

#553DDA #C2DA3D

analogous

#3D74DA #553DDA #A43DDA

triadic

#553DDA #DA553D #3DDA55

tetradic

#553DDA #DA3D74 #C2DA3D #3DDAA4

square

#553DDA #DA3D74 #C2DA3D #3DDAA4

split-complementary

#553DDA #DAA43D #74DA3D

monochromatic

#291984 #3A23B7 #553DDA #8270E4 #AFA4EE

Accessibility & contrast

On white

6.85

#553DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#553DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553DDA

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553DDA	#FFFFFF	#000000	##FFFFFF
##553DDA	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0055D7

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #553dda;
/* rgb */ color: rgb(85, 61, 218);
/* oklch */ color: oklch(49.2% 0.225 281.2);

Tailwind

colors: {
  custom: {
    50: '#9475e7',
    500: '#553dda',
    950: '#000000',
  },
}

SCSS

$custom: #553dda;
$custom-light: #9475e7;
$custom-dark: #000000;

JSON

{
  "hex": "#553dda",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 218
  },
  "hsl": {
    "h": 249.172,
    "s": 67.965,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49225,
    "c": 0.22509,
    "h": 281.2
  },
  "luminance": 0.10331
}

Semantic roles & 50–950 ramp

primary

#553DDA

secondary

#D0DB98

accent

#EB3DD0

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #553DDA

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

Preview Lab → · Contrast checker → · Palette generator →