#6580BC#6580BC

#6580BC is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.4% C 0.097 H 265.1°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#6580BC
RGBrgb(101, 128, 188)
HSLhsl(221, 39%, 57%)
HSVhsv(221, 46%, 74%)
CMYKcmyk(46.3%, 31.9%, 0%, 26.3%)
CIE-LABlab(53.85, 6.66, -34.50)
CIE-LCHlch(53.85, 35.13, 280.92°)
OKLaboklab(60.43% -0.0082 -0.0968)
OKLCHoklch(60.43% 0.097 265.1)
XYZxyz(22.1602, 21.8345, 50.6140)
Luminance0.2184 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6580BC #BCA165
analogous
#65ACBC #6580BC #7665BC
triadic
#6580BC #BC6580 #80BC65
tetradic
#6580BC #BC65AC #BCA165 #65BC76
square
#6580BC #BC65AC #BCA165 #65BC76
split-complementary
#6580BC #BC7665 #ACBC65
monochromatic
#334774 #45619F #6580BC #90A3CF #BAC6E1

Accessibility & contrast

On white

3.91
#6580BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#6580BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580BC
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6580BC#FFFFFF#000000##000000
##6580BC1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A85BF
Deuteranopia (green-blind)
#617DBB
Tritanopia (blue-blind)
#438D95
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #6580bc;
/* rgb */ color: rgb(101, 128, 188);
/* oklch */ color: oklch(60.4% 0.097 265.1);
Tailwind
colors: {
  custom: {
    50: '#95a4d0',
    500: '#6580bc',
    950: '#000000',
  },
}
SCSS
$custom: #6580bc;
$custom-light: #95a4d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6580bc",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 188
  },
  "hsl": {
    "h": 221.379,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60433,
    "c": 0.09713,
    "h": 265.1
  },
  "luminance": 0.21836
}

Semantic roles & 50–950 ramp

primary
#6580BC
secondary
#D0C5AD
accent
#AA59CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E0F14
muted
#7E7F82

Preview Lab

Preview with #6580BC

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

Preview Lab → · Contrast checker → · Palette generator →

#6580BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva