#6557AD#6557AD

#6557AD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.132 H 288.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#6557AD
RGBrgb(101, 87, 173)
HSLhsl(250, 34%, 51%)
HSVhsv(250, 50%, 68%)
CMYKcmyk(41.6%, 49.7%, 0%, 32.2%)
CIE-LABlab(42.15, 27.22, -44.27)
CIE-LCHlch(42.15, 51.97, 301.58°)
OKLaboklab(51.23% 0.0415 -0.1255)
OKLCHoklch(51.23% 0.132 288.3)
XYZxyz(16.3157, 12.5997, 41.0994)
Luminance0.1260 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6557AD #9FAD57
analogous
#5774AD #6557AD #9057AD
triadic
#6557AD #AD6557 #57AD65
tetradic
#6557AD #AD5774 #9FAD57 #57AD90
square
#6557AD #AD5774 #9FAD57 #57AD90
split-complementary
#6557AD #AD9057 #74AD57
monochromatic
#352D5C #4C4186 #6557AD #8B80C1 #B0A9D5

Accessibility & contrast

On white

5.97
#6557AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.52
#6557AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557AD
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6557AD#FFFFFF#000000##FFFFFF
##6557AD1.005.973.525.97
#FFFFFF5.971.0021.001.00
#0000003.5221.001.0021.00
##FFFFFF5.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3465B0
Deuteranopia (green-blind)
#3461AB
Tritanopia (blue-blind)
#51697A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #6557ad;
/* rgb */ color: rgb(101, 87, 173);
/* oklch */ color: oklch(51.2% 0.132 288.3);
Tailwind
colors: {
  custom: {
    50: '#9586c6',
    500: '#6557ad',
    950: '#000000',
  },
}
SCSS
$custom: #6557ad;
$custom-light: #9586c6;
$custom-dark: #000000;
JSON
{
  "hex": "#6557ad",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 249.767,
    "s": 34.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5123,
    "c": 0.13215,
    "h": 288.3
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary
#6557AD
secondary
#BDC39D
accent
#CA5DB9
background
#F9F8FC
surface
#F2EFF8
border
#CCCAD1
text
#0E0B13
muted
#7E7C82

Preview Lab

Preview with #6557AD

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

Preview Lab → · Contrast checker → · Palette generator →

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