#6487CB#6487CB

#6487CB is a light, moderate blue. Relative luminance 0.243; OKLCH L 62.7% C 0.111 H 262.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#6487CB
RGBrgb(100, 135, 203)
HSLhsl(220, 50%, 59%)
HSVhsv(220, 51%, 80%)
CMYKcmyk(50.7%, 33.5%, 0%, 20.4%)
CIE-LABlab(56.43, 6.84, -38.98)
CIE-LCHlch(56.43, 39.57, 279.95°)
OKLaboklab(62.66% -0.0138 -0.1098)
OKLCHoklch(62.66% 0.111 262.8)
XYZxyz(24.6954, 24.3473, 59.8865)
Luminance0.2435 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6487CB #CBA864
analogous
#64BACB #6487CB #7564CB
triadic
#6487CB #CB6487 #87CB64
tetradic
#6487CB #CB64BA #CBA864 #64CB75
square
#6487CB #CB64BA #CBA864 #64CB75
split-complementary
#6487CB #CB7564 #BACB64
monochromatic
#2D4C87 #3D66B5 #6487CB #92AADA #C0CEEA

Accessibility & contrast

On white

3.58
#6487CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.87
#6487CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6487CB
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6487CB#FFFFFF#000000##000000
##6487CB1.003.585.875.87
#FFFFFF3.581.0021.0021.00
#0000005.8721.001.001.00
##0000005.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D8DCE
Deuteranopia (green-blind)
#6183CA
Tritanopia (blue-blind)
#3496A0
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #6487cb;
/* rgb */ color: rgb(100, 135, 203);
/* oklch */ color: oklch(62.7% 0.111 262.8);
Tailwind
colors: {
  custom: {
    50: '#96a9db',
    500: '#6487cb',
    950: '#000000',
  },
}
SCSS
$custom: #6487cb;
$custom-light: #96a9db;
$custom-dark: #000000;
JSON
{
  "hex": "#6487cb",
  "rgb": {
    "r": 100,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 219.612,
    "s": 49.758,
    "l": 59.412
  },
  "oklch": {
    "l": 0.62655,
    "c": 0.11063,
    "h": 262.8
  },
  "luminance": 0.24349
}

Semantic roles & 50–950 ramp

primary
#6487CB
secondary
#D9CCB1
accent
#AA4FD9
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E0F15
muted
#7E7F83

Preview Lab

Preview with #6487CB

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

Preview Lab → · Contrast checker → · Palette generator →

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