#6581EE#6581EE

#6581EE is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.5% C 0.166 H 270.3°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#6581EE
RGBrgb(101, 129, 238)
HSLhsl(228, 80%, 66%)
HSVhsv(228, 58%, 93%)
CMYKcmyk(57.6%, 45.8%, 0%, 6.7%)
CIE-LABlab(56.72, 21.77, -58.13)
CIE-LCHlch(56.72, 62.08, 290.53°)
OKLaboklab(63.49% 0.0008 -0.1658)
OKLCHoklch(63.49% 0.166 270.3)
XYZxyz(28.6446, 24.6380, 84.1185)
Luminance0.2464 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6581EE #EED265
analogous
#65C6EE #6581EE #8E65EE
triadic
#6581EE #EE6581 #81EE65
tetradic
#6581EE #EE65C6 #EED265 #65EE8E
square
#6581EE #EE65C6 #EED265 #65EE8E
split-complementary
#6581EE #EE8E65 #C6EE65
monochromatic
#1639C3 #2E54E8 #6581EE #9CAEF4 #D3DBFA

Accessibility & contrast

On white

3.54
#6581EE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.93
#6581EE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581EE
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6581EE#FFFFFF#000000##000000
##6581EE1.003.545.935.93
#FFFFFF3.541.0021.0021.00
#0000005.9321.001.001.00
##0000005.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E8EF2
Deuteranopia (green-blind)
#3A82EC
Tritanopia (blue-blind)
#0099AC
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #6581ee;
/* rgb */ color: rgb(101, 129, 238);
/* oklch */ color: oklch(63.5% 0.166 270.3);
Tailwind
colors: {
  custom: {
    50: '#9ba5f4',
    500: '#6581ee',
    950: '#000000',
  },
}
SCSS
$custom: #6581ee;
$custom-light: #9ba5f4;
$custom-dark: #000000;
JSON
{
  "hex": "#6581ee",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 238
  },
  "hsl": {
    "h": 227.737,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.63489,
    "c": 0.16584,
    "h": 270.3
  },
  "luminance": 0.2464
}

Semantic roles & 50–950 ramp

primary
#6581EE
secondary
#EEE5C1
accent
#B109DC
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F0F17
muted
#7F7F85

Preview Lab

Preview with #6581EE

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

Preview Lab → · Contrast checker → · Palette generator →

#6581EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva