#6555DB#6555DB

#6555DB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 54.1% C 0.197 H 283.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#6555DB
RGBrgb(101, 85, 219)
HSLhsl(247, 65%, 60%)
HSVhsv(247, 61%, 86%)
CMYKcmyk(53.9%, 61.2%, 0%, 14.1%)
CIE-LABlab(44.77, 42.23, -66.72)
CIE-LCHlch(44.77, 78.97, 302.33°)
OKLaboklab(54.15% 0.0444 -0.1915)
OKLCHoklch(54.15% 0.197 283.1)
XYZxyz(21.3976, 14.3769, 68.6516)
Luminance0.1438 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6555DB #CBDB55
analogous
#5588DB #6555DB #A855DB
triadic
#6555DB #DB6555 #55DB65
tetradic
#6555DB #DB5588 #CBDB55 #55DBA8
square
#6555DB #DB5588 #CBDB55 #55DBA8
split-complementary
#6555DB #DBA855 #88DB55
monochromatic
#2E2096 #3D2AC8 #6555DB #9388E6 #C1BAF0

Accessibility & contrast

On white

5.42
#6555DB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#6555DB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555DB
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6555DB#FFFFFF#000000##FFFFFF
##6555DB1.005.423.885.42
#FFFFFF5.421.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EDF
Deuteranopia (green-blind)
#0065D8
Tritanopia (blue-blind)
#307590
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #6555db;
/* rgb */ color: rgb(101, 85, 219);
/* oklch */ color: oklch(54.1% 0.197 283.1);
Tailwind
colors: {
  custom: {
    50: '#9b86e7',
    500: '#6555db',
    950: '#000000',
  },
}
SCSS
$custom: #6555db;
$custom-light: #9b86e7;
$custom-dark: #000000;
JSON
{
  "hex": "#6555db",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 247.164,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54149,
    "c": 0.19656,
    "h": 283.1
  },
  "luminance": 0.14378
}

Semantic roles & 50–950 ramp

primary
#6555DB
secondary
#DAE0AC
accent
#E840D4
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6555DB

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

Preview Lab → · Contrast checker → · Palette generator →

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