#6488FB#6488FB

#6488FB is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.6% C 0.175 H 268.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#6488FB
RGBrgb(100, 136, 251)
HSLhsl(226, 95%, 69%)
HSVhsv(226, 60%, 98%)
CMYKcmyk(60.2%, 45.8%, 0%, 1.6%)
CIE-LABlab(59.23, 21.61, -61.30)
CIE-LCHlch(59.23, 65.00, 289.42°)
OKLaboklab(65.63% -0.0054 -0.1751)
OKLCHoklch(65.63% 0.175 268.2)
XYZxyz(31.4664, 27.2800, 94.8554)
Luminance0.2728 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6488FB #FBD764
analogous
#64D4FB #6488FB #8C64FB
triadic
#6488FB #FB6488 #88FB64
tetradic
#6488FB #FB64D4 #FBD764 #64FB8C
square
#6488FB #FB64D4 #FBD764 #64FB8C
split-complementary
#6488FB #FB8C64 #D4FB64
monochromatic
#063ADF #285AF9 #6488FB #A0B6FD #DBE4FE

Accessibility & contrast

On white

3.25
#6488FB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#6488FB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6488FB
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6488FB#FFFFFF#000000##000000
##6488FB1.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5096FF
Deuteranopia (green-blind)
#3788F9
Tritanopia (blue-blind)
#00A2B5
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #6488fb;
/* rgb */ color: rgb(100, 136, 251);
/* oklch */ color: oklch(65.6% 0.175 268.2);
Tailwind
colors: {
  custom: {
    50: '#9caafd',
    500: '#6488fb',
    950: '#000000',
  },
}
SCSS
$custom: #6488fb;
$custom-light: #9caafd;
$custom-dark: #000000;
JSON
{
  "hex": "#6488fb",
  "rgb": {
    "r": 100,
    "g": 136,
    "b": 251
  },
  "hsl": {
    "h": 225.695,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.65634,
    "c": 0.17517,
    "h": 268.2
  },
  "luminance": 0.27283
}

Semantic roles & 50–950 ramp

primary
#6488FB
secondary
#F4E9C7
accent
#AF00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #6488FB

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

Preview Lab → · Contrast checker → · Palette generator →

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