#6489FB#6489FB

#6489FB is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.8% C 0.174 H 267.9°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#6489FB
RGBrgb(100, 137, 251)
HSLhsl(225, 95%, 69%)
HSVhsv(225, 60%, 98%)
CMYKcmyk(60.2%, 45.4%, 0%, 1.6%)
CIE-LABlab(59.49, 21.01, -60.89)
CIE-LCHlch(59.49, 64.41, 289.04°)
OKLaboklab(65.83% -0.0064 -0.1739)
OKLCHoklch(65.83% 0.174 267.9)
XYZxyz(31.6079, 27.5630, 94.9026)
Luminance0.2757 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6489FB #FBD664
analogous
#64D5FB #6489FB #8B64FB
triadic
#6489FB #FB6489 #89FB64
tetradic
#6489FB #FB64D5 #FBD664 #64FB8B
square
#6489FB #FB64D5 #FBD664 #64FB8B
split-complementary
#6489FB #FB8B64 #D5FB64
monochromatic
#063BDF #285CF9 #6489FB #A0B6FD #DBE4FE

Accessibility & contrast

On white

3.22
#6489FB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.51
#6489FB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6489FB
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6489FB#FFFFFF#000000##000000
##6489FB1.003.226.516.51
#FFFFFF3.221.0021.0021.00
#0000006.5121.001.001.00
##0000006.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5296FF
Deuteranopia (green-blind)
#3A89F9
Tritanopia (blue-blind)
#00A3B6
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #6489fb;
/* rgb */ color: rgb(100, 137, 251);
/* oklch */ color: oklch(65.8% 0.174 267.9);
Tailwind
colors: {
  custom: {
    50: '#9cabfd',
    500: '#6489fb',
    950: '#000000',
  },
}
SCSS
$custom: #6489fb;
$custom-light: #9cabfd;
$custom-dark: #000000;
JSON
{
  "hex": "#6489fb",
  "rgb": {
    "r": 100,
    "g": 137,
    "b": 251
  },
  "hsl": {
    "h": 225.298,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.65832,
    "c": 0.17398,
    "h": 267.9
  },
  "luminance": 0.27566
}

Semantic roles & 50–950 ramp

primary
#6489FB
secondary
#F4E9C7
accent
#AD00E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #6489FB

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

Preview Lab → · Contrast checker → · Palette generator →

#6489FB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva