#6487BB#6487BB

#6487BB is a mid, moderate blue. Relative luminance 0.236; OKLCH L 61.9% C 0.089 H 258.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#6487BB
RGBrgb(100, 135, 187)
HSLhsl(216, 39%, 56%)
HSVhsv(216, 47%, 73%)
CMYKcmyk(46.5%, 27.8%, 0%, 26.7%)
CIE-LABlab(55.71, 1.97, -31.03)
CIE-LCHlch(55.71, 31.09, 273.64°)
OKLaboklab(61.85% -0.0183 -0.0868)
OKLCHoklch(61.85% 0.089 258.1)
XYZxyz(22.8862, 23.6237, 50.3579)
Luminance0.2362 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6487BB #BB9864
analogous
#64B3BB #6487BB #6D64BB
triadic
#6487BB #BB6487 #87BB64
tetradic
#6487BB #BB64B3 #BB9864 #64BB6D
square
#6487BB #BB64B3 #BB9864 #64BB6D
split-complementary
#6487BB #BB6D64 #B3BB64
monochromatic
#324C72 #45689D #6487BB #8FA8CE #B9C9E0

Accessibility & contrast

On white

3.67
#6487BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#6487BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6487BB
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6487BB#FFFFFF#000000##000000
##6487BB1.003.675.735.73
#FFFFFF3.671.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#738ABD
Deuteranopia (green-blind)
#6982BA
Tritanopia (blue-blind)
#419299
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #6487bb;
/* rgb */ color: rgb(100, 135, 187);
/* oklch */ color: oklch(61.9% 0.089 258.1);
Tailwind
colors: {
  custom: {
    50: '#94a9cf',
    500: '#6487bb',
    950: '#000000',
  },
}
SCSS
$custom: #6487bb;
$custom-light: #94a9cf;
$custom-dark: #000000;
JSON
{
  "hex": "#6487bb",
  "rgb": {
    "r": 100,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 215.862,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.61851,
    "c": 0.08868,
    "h": 258.1
  },
  "luminance": 0.23625
}

Semantic roles & 50–950 ramp

primary
#6487BB
secondary
#CFC1AB
accent
#9F59CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D0F14
muted
#7E7F82

Preview Lab

Preview with #6487BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6487BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva