#6491FB#6491FB

#6491FB is a light, vivid blue. Relative luminance 0.299; OKLCH L 67.4% C 0.165 H 265.0°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#6491FB
RGBrgb(100, 145, 251)
HSLhsl(222, 95%, 69%)
HSVhsv(222, 60%, 98%)
CMYKcmyk(60.2%, 42.2%, 0%, 1.6%)
CIE-LABlab(61.59, 16.24, -57.54)
CIE-LCHlch(61.59, 59.79, 285.76°)
OKLaboklab(67.44% -0.0143 -0.1639)
OKLCHoklch(67.44% 0.165 265)
XYZxyz(32.7875, 29.9223, 95.2958)
Luminance0.2993 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6491FB #FBCE64
analogous
#64DDFB #6491FB #8364FB
triadic
#6491FB #FB6491 #91FB64
tetradic
#6491FB #FB64DD #FBCE64 #64FB83
square
#6491FB #FB64DD #FBCE64 #64FB83
split-complementary
#6491FB #FB8364 #DDFB64
monochromatic
#0646DF #2867F9 #6491FB #A0BBFD #DBE6FE

Accessibility & contrast

On white

3.01
#6491FB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#6491FB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491FB
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6491FB#FFFFFF#000000##000000
##6491FB1.003.016.996.99
#FFFFFF3.011.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#619CFF
Deuteranopia (green-blind)
#4B8EF9
Tritanopia (blue-blind)
#00A9BA
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #6491fb;
/* rgb */ color: rgb(100, 145, 251);
/* oklch */ color: oklch(67.4% 0.165 265.0);
Tailwind
colors: {
  custom: {
    50: '#9cb0fd',
    500: '#6491fb',
    950: '#000000',
  },
}
SCSS
$custom: #6491fb;
$custom-light: #9cb0fd;
$custom-dark: #000000;
JSON
{
  "hex": "#6491fb",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 251
  },
  "hsl": {
    "h": 222.119,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.67439,
    "c": 0.16456,
    "h": 265
  },
  "luminance": 0.29925
}

Semantic roles & 50–950 ramp

primary
#6491FB
secondary
#F4E6C7
accent
#A100E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1018
muted
#7F7F86

Preview Lab

Preview with #6491FB

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

Preview Lab → · Contrast checker → · Palette generator →

#6491FB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva