#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
RGBrgb(85, 61, 218)
HSLhsl(249, 68%, 55%)
HSVhsv(249, 72%, 85%)
CMYKcmyk(61%, 72%, 0%, 14.5%)
CIE-LABlab(38.43, 52.88, -76.57)
CIE-LCHlch(38.43, 93.06, 304.63°)
OKLaboklab(49.23% 0.0437 -0.2208)
OKLCHoklch(49.23% 0.225 281.2)
XYZxyz(18.0660, 10.3294, 67.3578)
Luminance0.1033 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##553DDA1.006.853.076.85
#FFFFFF6.851.0021.001.00
#0000003.0721.001.0021.00
##FFFFFF6.851.0021.001.00

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 →

#553DDA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva