#6559EB#6559EB

#6559EB is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 56.0% C 0.212 H 280.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#6559EB
RGBrgb(101, 89, 235)
HSLhsl(245, 78%, 64%)
HSVhsv(245, 62%, 92%)
CMYKcmyk(57%, 62.1%, 0%, 7.8%)
CIE-LABlab(46.85, 44.80, -72.40)
CIE-LCHlch(46.85, 85.14, 301.75°)
OKLaboklab(56.05% 0.0396 -0.2081)
OKLCHoklch(56.05% 0.212 280.8)
XYZxyz(23.9299, 15.9080, 80.3907)
Luminance0.1591 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6559EB #DFEB59
analogous
#5996EB #6559EB #AE59EB
triadic
#6559EB #EB6559 #59EB65
tetradic
#6559EB #EB5996 #DFEB59 #59EBAE
square
#6559EB #EB5996 #DFEB59 #59EBAE
split-complementary
#6559EB #EBAE59 #96EB59
monochromatic
#2316B4 #3222E4 #6559EB #9890F2 #CAC6F8

Accessibility & contrast

On white

5.02
#6559EB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#6559EB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559EB
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6559EB#FFFFFF#000000##FFFFFF
##6559EB1.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0074F0
Deuteranopia (green-blind)
#006AE8
Tritanopia (blue-blind)
#147D9A
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #6559eb;
/* rgb */ color: rgb(101, 89, 235);
/* oklch */ color: oklch(56.0% 0.212 280.8);
Tailwind
colors: {
  custom: {
    50: '#9d89f2',
    500: '#6559eb',
    950: '#000000',
  },
}
SCSS
$custom: #6559eb;
$custom-light: #9d89f2;
$custom-dark: #000000;
JSON
{
  "hex": "#6559eb",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 235
  },
  "hsl": {
    "h": 244.932,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56049,
    "c": 0.21186,
    "h": 280.8
  },
  "luminance": 0.1591
}

Semantic roles & 50–950 ramp

primary
#6559EB
secondary
#E6EAB6
accent
#DB0BCA
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0B17
muted
#7F7C85

Preview Lab

Preview with #6559EB

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

Preview Lab → · Contrast checker → · Palette generator →

#6559EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva