#6578EF#6578EF

#6578EF is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.8% C 0.178 H 273.2°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#6578EF
RGBrgb(101, 120, 239)
HSLhsl(232, 81%, 67%)
HSVhsv(232, 58%, 94%)
CMYKcmyk(57.7%, 49.8%, 0%, 6.3%)
CIE-LABlab(54.48, 27.54, -62.29)
CIE-LCHlch(54.48, 68.11, 293.85°)
OKLaboklab(61.81% 0.0101 -0.1781)
OKLCHoklch(61.81% 0.178 273.2)
XYZxyz(27.6582, 22.4295, 84.5165)
Luminance0.2243 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6578EF #EFDC65
analogous
#65BDEF #6578EF #9765EF
triadic
#6578EF #EF6578 #78EF65
tetradic
#6578EF #EF65BD #EFDC65 #65EF97
square
#6578EF #EF65BD #EFDC65 #65EF97
split-complementary
#6578EF #EF9765 #BDEF65
monochromatic
#142DC5 #2E47E9 #6578EF #9CA9F5 #D4D9FB

Accessibility & contrast

On white

3.83
#6578EF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#6578EF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6578EF
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6578EF#FFFFFF#000000##000000
##6578EF1.003.835.495.49
#FFFFFF3.831.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#3989F3
Deuteranopia (green-blind)
#1E7DEC
Tritanopia (blue-blind)
#0093A8
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #6578ef;
/* rgb */ color: rgb(101, 120, 239);
/* oklch */ color: oklch(61.8% 0.178 273.2);
Tailwind
colors: {
  custom: {
    50: '#9c9ef5',
    500: '#6578ef',
    950: '#000000',
  },
}
SCSS
$custom: #6578ef;
$custom-light: #9c9ef5;
$custom-dark: #000000;
JSON
{
  "hex": "#6578ef",
  "rgb": {
    "r": 101,
    "g": 120,
    "b": 239
  },
  "hsl": {
    "h": 231.739,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.61807,
    "c": 0.17843,
    "h": 273.2
  },
  "luminance": 0.22432
}

Semantic roles & 50–950 ramp

primary
#6578EF
secondary
#EEE8C2
accent
#C008DE
background
#FAF9FF
surface
#F4F2FE
border
#CECCD6
text
#0F0E17
muted
#7F7E85

Preview Lab

Preview with #6578EF

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

Preview Lab → · Contrast checker → · Palette generator →

#6578EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva