#6555CA#6555CA

#6555CA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.9% C 0.175 H 285.0°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#6555CA
RGBrgb(101, 85, 202)
HSLhsl(248, 52%, 56%)
HSVhsv(248, 58%, 79%)
CMYKcmyk(50%, 57.9%, 0%, 20.8%)
CIE-LABlab(43.55, 37.08, -58.96)
CIE-LCHlch(43.55, 69.65, 302.17°)
OKLaboklab(52.87% 0.0451 -0.1686)
OKLCHoklch(52.87% 0.175 285)
XYZxyz(19.2728, 13.5270, 57.4611)
Luminance0.1353 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6555CA #BACA55
analogous
#5580CA #6555CA #A055CA
triadic
#6555CA #CA6555 #55CA65
tetradic
#6555CA #CA5580 #BACA55 #55CAA0
square
#6555CA #CA5580 #BACA55 #55CAA0
split-complementary
#6555CA #CAA055 #80CA55
monochromatic
#33277D #4636AC #6555CA #8F84D9 #BAB2E7

Accessibility & contrast

On white

5.67
#6555CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.71
#6555CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6555CA
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6555CA#FFFFFF#000000##FFFFFF
##6555CA1.005.673.715.67
#FFFFFF5.671.0021.001.00
#0000003.7121.001.0021.00
##FFFFFF5.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006ACE
Deuteranopia (green-blind)
#0063C8
Tritanopia (blue-blind)
#407087
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #6555ca;
/* rgb */ color: rgb(101, 85, 202);
/* oklch */ color: oklch(52.9% 0.175 285.0);
Tailwind
colors: {
  custom: {
    50: '#9885db',
    500: '#6555ca',
    950: '#000000',
  },
}
SCSS
$custom: #6555ca;
$custom-light: #9885db;
$custom-dark: #000000;
JSON
{
  "hex": "#6555ca",
  "rgb": {
    "r": 101,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 248.205,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52866,
    "c": 0.17454,
    "h": 285
  },
  "luminance": 0.13528
}

Semantic roles & 50–950 ramp

primary
#6555CA
secondary
#CFD5A5
accent
#DC4CC8
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0E0B15
muted
#7E7C83

Preview Lab

Preview with #6555CA

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

Preview Lab → · Contrast checker → · Palette generator →

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