#6557E4#6557E4

#6557E4 is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.2% C 0.205 H 281.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#6557E4
RGBrgb(101, 87, 228)
HSLhsl(246, 72%, 62%)
HSVhsv(246, 62%, 89%)
CMYKcmyk(55.7%, 61.8%, 0%, 10.6%)
CIE-LABlab(45.88, 43.81, -70.02)
CIE-LCHlch(45.88, 82.60, 302.03°)
OKLaboklab(55.18% 0.042 -0.2011)
OKLCHoklch(55.18% 0.205 281.8)
XYZxyz(22.7743, 15.1831, 75.1143)
Luminance0.1519 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6557E4 #D6E457
analogous
#5790E4 #6557E4 #AB57E4
triadic
#6557E4 #E46557 #57E465
tetradic
#6557E4 #E45790 #D6E457 #57E4AB
square
#6557E4 #E45790 #D6E457 #57E4AB
split-complementary
#6557E4 #E4AB57 #90E457
monochromatic
#281BA6 #3523DB #6557E4 #958CEC #C6C0F5

Accessibility & contrast

On white

5.20
#6557E4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.04
#6557E4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557E4
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6557E4#FFFFFF#000000##FFFFFF
##6557E41.005.204.045.20
#FFFFFF5.201.0021.001.00
#0000004.0421.001.0021.00
##FFFFFF5.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0072E9
Deuteranopia (green-blind)
#0068E1
Tritanopia (blue-blind)
#247A95
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #6557e4;
/* rgb */ color: rgb(101, 87, 228);
/* oklch */ color: oklch(55.2% 0.205 281.8);
Tailwind
colors: {
  custom: {
    50: '#9c87ed',
    500: '#6557e4',
    950: '#000000',
  },
}
SCSS
$custom: #6557e4;
$custom-light: #9c87ed;
$custom-dark: #000000;
JSON
{
  "hex": "#6557e4",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 228
  },
  "hsl": {
    "h": 245.957,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.55175,
    "c": 0.20548,
    "h": 281.8
  },
  "luminance": 0.15185
}

Semantic roles & 50–950 ramp

primary
#6557E4
secondary
#E0E6B1
accent
#D411C1
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #6557E4

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

Preview Lab → · Contrast checker → · Palette generator →

#6557E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva