#6551E5#6551E5

#6551E5 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.3% C 0.214 H 282.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#6551E5
RGBrgb(101, 81, 229)
HSLhsl(248, 74%, 61%)
HSVhsv(248, 65%, 90%)
CMYKcmyk(55.9%, 64.6%, 0%, 10.2%)
CIE-LABlab(44.67, 47.55, -72.57)
CIE-LCHlch(44.67, 86.76, 303.24°)
OKLaboklab(54.32% 0.0473 -0.2086)
OKLCHoklch(54.32% 0.214 282.8)
XYZxyz(22.4478, 14.3073, 75.6923)
Luminance0.1431 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6551E5 #D1E551
analogous
#5187E5 #6551E5 #AF51E5
triadic
#6551E5 #E56551 #51E565
tetradic
#6551E5 #E55187 #D1E551 #51E5AF
square
#6551E5 #E55187 #D1E551 #51E5AF
split-complementary
#6551E5 #E5AF51 #87E551
monochromatic
#2B18A3 #3920D8 #6551E5 #9486ED #C3BBF5

Accessibility & contrast

On white

5.44
#6551E5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#6551E5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551E5
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6551E5#FFFFFF#000000##FFFFFF
##6551E51.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EEA
Deuteranopia (green-blind)
#0065E2
Tritanopia (blue-blind)
#237694
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #6551e5;
/* rgb */ color: rgb(101, 81, 229);
/* oklch */ color: oklch(54.3% 0.214 282.8);
Tailwind
colors: {
  custom: {
    50: '#9c83ee',
    500: '#6551e5',
    950: '#000000',
  },
}
SCSS
$custom: #6551e5;
$custom-light: #9c83ee;
$custom-dark: #000000;
JSON
{
  "hex": "#6551e5",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 229
  },
  "hsl": {
    "h": 248.108,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54316,
    "c": 0.21393,
    "h": 282.8
  },
  "luminance": 0.14309
}

Semantic roles & 50–950 ramp

primary
#6551E5
secondary
#DDE5AD
accent
#D60FBB
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B17
muted
#7F7C85

Preview Lab

Preview with #6551E5

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

Preview Lab → · Contrast checker → · Palette generator →

#6551E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva