#6488BB#6488BB

#6488BB is a light, moderate blue. Relative luminance 0.239; OKLCH L 62.1% C 0.088 H 257.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#6488BB
RGBrgb(100, 136, 187)
HSLhsl(215, 39%, 56%)
HSVhsv(215, 47%, 73%)
CMYKcmyk(46.5%, 27.3%, 0%, 26.7%)
CIE-LABlab(55.99, 1.39, -30.59)
CIE-LCHlch(55.99, 30.62, 272.60°)
OKLaboklab(62.07% -0.0195 -0.0855)
OKLCHoklch(62.07% 0.088 257.1)
XYZxyz(23.0264, 23.9040, 50.4047)
Luminance0.2391 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6488BB #BB9764
analogous
#64B4BB #6488BB #6C64BB
triadic
#6488BB #BB6488 #88BB64
tetradic
#6488BB #BB64B4 #BB9764 #64BB6C
square
#6488BB #BB64B4 #BB9764 #64BB6C
split-complementary
#6488BB #BB6C64 #B4BB64
monochromatic
#324D72 #45699D #6488BB #8FA9CE #B9C9E0

Accessibility & contrast

On white

3.63
#6488BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.78
#6488BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6488BB
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6488BB#FFFFFF#000000##000000
##6488BB1.003.635.785.78
#FFFFFF3.631.0021.0021.00
#0000005.7821.001.001.00
##0000005.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#758BBD
Deuteranopia (green-blind)
#6A82BA
Tritanopia (blue-blind)
#41939A
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #6488bb;
/* rgb */ color: rgb(100, 136, 187);
/* oklch */ color: oklch(62.1% 0.088 257.1);
Tailwind
colors: {
  custom: {
    50: '#94aacf',
    500: '#6488bb',
    950: '#000000',
  },
}
SCSS
$custom: #6488bb;
$custom-light: #94aacf;
$custom-dark: #000000;
JSON
{
  "hex": "#6488bb",
  "rgb": {
    "r": 100,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 215.172,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62072,
    "c": 0.0877,
    "h": 257.1
  },
  "luminance": 0.23906
}

Semantic roles & 50–950 ramp

primary
#6488BB
secondary
#CFC0AB
accent
#9E59CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D1014
muted
#7E7F82

Preview Lab

Preview with #6488BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6488BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva