#553FCB#553FCB

#553FCB is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.205 H 282.7°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#553FCB
RGBrgb(85, 63, 203)
HSLhsl(249, 57%, 52%)
HSVhsv(249, 69%, 80%)
CMYKcmyk(58.1%, 69%, 0%, 20.4%)
CIE-LABlab(37.48, 47.29, -69.48)
CIE-LCHlch(37.48, 84.05, 304.24°)
OKLaboklab(48.14% 0.0449 -0.2001)
OKLCHoklch(48.14% 0.205 282.7)
XYZxyz(16.3000, 9.7970, 57.5204)
Luminance0.0980 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#553FCB #B5CB3F
analogous
#3F6FCB #553FCB #9B3FCB
triadic
#553FCB #CB553F #3FCB55
tetradic
#553FCB #CB3F6F #B5CB3F #3FCB9B
square
#553FCB #CB3F6F #B5CB3F #3FCB9B
split-complementary
#553FCB #CB9B3F #6FCB3F
monochromatic
#2C1F71 #3E2CA1 #553FCB #806FD8 #AA9FE5

Accessibility & contrast

On white

7.10
#553FCB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#553FCB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553FCB
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##553FCB#FFFFFF#000000##FFFFFF
##553FCB1.007.102.967.10
#FFFFFF7.101.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DCF
Deuteranopia (green-blind)
#0053C8
Tritanopia (blue-blind)
#0B6480
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #553fcb;
/* rgb */ color: rgb(85, 63, 203);
/* oklch */ color: oklch(48.1% 0.205 282.7);
Tailwind
colors: {
  custom: {
    50: '#9176dc',
    500: '#553fcb',
    950: '#000000',
  },
}
SCSS
$custom: #553fcb;
$custom-light: #9176dc;
$custom-dark: #000000;
JSON
{
  "hex": "#553fcb",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 249.429,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48138,
    "c": 0.20505,
    "h": 282.7
  },
  "luminance": 0.09798
}

Semantic roles & 50–950 ramp

primary
#553FCB
secondary
#C8D194
accent
#E147C9
background
#F9F7FD
surface
#F2EDFB
border
#CCC8D4
text
#0E0915
muted
#7E7B83

Preview Lab

Preview with #553FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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