#6581FB#6581FB

#6581FB is a light, vivid blue. Relative luminance 0.254; OKLCH L 64.3% C 0.183 H 270.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#6581FB
RGBrgb(101, 129, 251)
HSLhsl(229, 95%, 69%)
HSVhsv(229, 60%, 98%)
CMYKcmyk(59.8%, 48.6%, 0%, 1.6%)
CIE-LABlab(57.49, 26.00, -64.09)
CIE-LCHlch(57.49, 69.17, 292.08°)
OKLaboklab(64.32% 0.0024 -0.1834)
OKLCHoklch(64.32% 0.183 270.7)
XYZxyz(30.6239, 25.4297, 94.5427)
Luminance0.2543 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6581FB #FBDF65
analogous
#65CCFB #6581FB #9465FB
triadic
#6581FB #FB6581 #81FB65
tetradic
#6581FB #FB65CC #FBDF65 #65FB94
square
#6581FB #FB65CC #FBDF65 #65FB94
split-complementary
#6581FB #FB9465 #CCFB65
monochromatic
#062FE0 #2950F9 #6581FB #A1B2FD #DCE3FE

Accessibility & contrast

On white

3.45
#6581FB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#6581FB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581FB
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6581FB#FFFFFF#000000##000000
##6581FB1.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4191FF
Deuteranopia (green-blind)
#2384F8
Tritanopia (blue-blind)
#009DB2
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #6581fb;
/* rgb */ color: rgb(101, 129, 251);
/* oklch */ color: oklch(64.3% 0.183 270.7);
Tailwind
colors: {
  custom: {
    50: '#9da5fd',
    500: '#6581fb',
    950: '#000000',
  },
}
SCSS
$custom: #6581fb;
$custom-light: #9da5fd;
$custom-dark: #000000;
JSON
{
  "hex": "#6581fb",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 251
  },
  "hsl": {
    "h": 228.8,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.64323,
    "c": 0.18338,
    "h": 270.7
  },
  "luminance": 0.25432
}

Semantic roles & 50–950 ramp

primary
#6581FB
secondary
#F4ECC8
accent
#BB00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F0F18
muted
#7F7F86

Preview Lab

Preview with #6581FB

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

Preview Lab → · Contrast checker → · Palette generator →

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