#6555EF#6555EF

#6555EF is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 55.7% C 0.222 H 281.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#6555EF
RGBrgb(101, 85, 239)
HSLhsl(246, 83%, 64%)
HSVhsv(246, 64%, 94%)
CMYKcmyk(57.7%, 64.4%, 0%, 6.3%)
CIE-LABlab(46.30, 48.31, -75.54)
CIE-LCHlch(46.30, 89.67, 302.60°)
OKLaboklab(55.75% 0.0428 -0.2174)
OKLCHoklch(55.75% 0.222 281.1)
XYZxyz(24.1904, 15.4941, 83.3605)
Luminance0.1550 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6555EF #DFEF55
analogous
#5592EF #6555EF #B255EF
triadic
#6555EF #EF6555 #55EF65
tetradic
#6555EF #EF5592 #DFEF55 #55EFB2
square
#6555EF #EF5592 #DFEF55 #55EFB2
split-complementary
#6555EF #EFB255 #92EF55
monochromatic
#2311B8 #321DEA #6555EF #988DF4 #CAC5FA

Accessibility & contrast

On white

5.12
#6555EF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#6555EF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555EF
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6555EF#FFFFFF#000000##FFFFFF
##6555EF1.005.124.105.12
#FFFFFF5.121.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0073F4
Deuteranopia (green-blind)
#0068EC
Tritanopia (blue-blind)
#077C9B
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #6555ef;
/* rgb */ color: rgb(101, 85, 239);
/* oklch */ color: oklch(55.7% 0.222 281.1);
Tailwind
colors: {
  custom: {
    50: '#9e86f5',
    500: '#6555ef',
    950: '#000000',
  },
}
SCSS
$custom: #6555ef;
$custom-light: #9e86f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6555ef",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 239
  },
  "hsl": {
    "h": 246.234,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55746,
    "c": 0.22154,
    "h": 281.1
  },
  "luminance": 0.15496
}

Semantic roles & 50–950 ramp

primary
#6555EF
secondary
#E6EBB5
accent
#DF06C9
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6555EF

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

Preview Lab → · Contrast checker → · Palette generator →

#6555EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva