#6591DE#6591DE

#6591DE is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.125 H 261.0°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#6591DE
RGBrgb(101, 145, 222)
HSLhsl(218, 65%, 63%)
HSVhsv(218, 55%, 87%)
CMYKcmyk(54.5%, 34.7%, 0%, 12.9%)
CIE-LABlab(60.15, 7.11, -43.79)
CIE-LCHlch(60.15, 44.36, 279.22°)
OKLaboklab(65.85% -0.0196 -0.1237)
OKLCHoklch(65.85% 0.125 261)
XYZxyz(28.6725, 28.2892, 73.0425)
Luminance0.2829 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6591DE #DEB265
analogous
#65CDDE #6591DE #7565DE
triadic
#6591DE #DE6591 #91DE65
tetradic
#6591DE #DE65CD #DEB265 #65DE75
square
#6591DE #DE65CD #DEB265 #65DE75
split-complementary
#6591DE #DE7565 #CDDE65
monochromatic
#2353A5 #336DD3 #6591DE #97B5E9 #CAD9F4

Accessibility & contrast

On white

3.15
#6591DE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#6591DE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591DE
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6591DE#FFFFFF#000000##000000
##6591DE1.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7297E1
Deuteranopia (green-blind)
#638CDC
Tritanopia (blue-blind)
#1BA2AD
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #6591de;
/* rgb */ color: rgb(101, 145, 222);
/* oklch */ color: oklch(65.9% 0.125 261.0);
Tailwind
colors: {
  custom: {
    50: '#99b0e8',
    500: '#6591de',
    950: '#000000',
  },
}
SCSS
$custom: #6591de;
$custom-light: #99b0e8;
$custom-dark: #000000;
JSON
{
  "hex": "#6591de",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 222
  },
  "hsl": {
    "h": 218.182,
    "s": 64.706,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65855,
    "c": 0.12522,
    "h": 261
  },
  "luminance": 0.28291
}

Semantic roles & 50–950 ramp

primary
#6591DE
secondary
#E5D5BA
accent
#8B19CD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #6591DE

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

Preview Lab → · Contrast checker → · Palette generator →

#6591DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva