#6659BF#6659BF

#6659BF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.9% C 0.154 H 285.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#6659BF
RGBrgb(102, 89, 191)
HSLhsl(248, 44%, 55%)
HSVhsv(248, 53%, 75%)
CMYKcmyk(46.6%, 53.4%, 0%, 25.1%)
CIE-LABlab(43.84, 31.57, -52.10)
CIE-LCHlch(43.84, 60.92, 301.22°)
OKLaboklab(52.87% 0.0416 -0.1484)
OKLCHoklch(52.87% 0.154 285.7)
XYZxyz(18.4531, 13.7303, 50.9580)
Luminance0.1373 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6659BF #B2BF59
analogous
#597FBF #6659BF #9959BF
triadic
#6659BF #BF6659 #59BF66
tetradic
#6659BF #BF597F #B2BF59 #59BF99
square
#6659BF #BF597F #B2BF59 #59BF99
split-complementary
#6659BF #BF9959 #7FBF59
monochromatic
#352C72 #493D9E #6659BF #8F85D0 #B7B1E1

Accessibility & contrast

On white

5.61
#6659BF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#6659BF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6659BF
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6659BF#FFFFFF#000000##FFFFFF
##6659BF1.005.613.755.61
#FFFFFF5.611.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#256AC3
Deuteranopia (green-blind)
#2265BD
Tritanopia (blue-blind)
#496F83
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #6659bf;
/* rgb */ color: rgb(102, 89, 191);
/* oklch */ color: oklch(52.9% 0.154 285.7);
Tailwind
colors: {
  custom: {
    50: '#9788d3',
    500: '#6659bf',
    950: '#000000',
  },
}
SCSS
$custom: #6659bf;
$custom-light: #9788d3;
$custom-dark: #000000;
JSON
{
  "hex": "#6659bf",
  "rgb": {
    "r": 102,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 247.647,
    "s": 44.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52872,
    "c": 0.15413,
    "h": 285.7
  },
  "luminance": 0.13731
}

Semantic roles & 50–950 ramp

primary
#6659BF
secondary
#CACFA4
accent
#D454C4
background
#F9F8FD
surface
#F2EFFA
border
#CCCAD3
text
#0E0B14
muted
#7E7C83

Preview Lab

Preview with #6659BF

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

Preview Lab → · Contrast checker → · Palette generator →

#6659BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva