#6451F3#6451F3

#6451F3 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 55.4% C 0.231 H 281.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#6451F3
RGBrgb(100, 81, 243)
HSLhsl(247, 87%, 64%)
HSVhsv(247, 67%, 95%)
CMYKcmyk(58.8%, 66.7%, 0%, 4.7%)
CIE-LABlab(45.72, 51.61, -78.74)
CIE-LCHlch(45.72, 94.15, 303.24°)
OKLaboklab(55.41% 0.0443 -0.2268)
OKLCHoklch(55.41% 0.231 281)
XYZxyz(24.3705, 15.0635, 86.4000)
Luminance0.1507 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6451F3 #E0F351
analogous
#518FF3 #6451F3 #B551F3
triadic
#6451F3 #F36451 #51F364
tetradic
#6451F3 #F3518F #E0F351 #51F3B5
square
#6451F3 #F3518F #E0F351 #51F3B5
split-complementary
#6451F3 #F3B551 #8FF351
monochromatic
#220DBD #3118EF #6451F3 #978AF7 #CAC4FB

Accessibility & contrast

On white

5.23
#6451F3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#6451F3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6451F3
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6451F3#FFFFFF#000000##FFFFFF
##6451F31.005.234.015.23
#FFFFFF5.231.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0072F8
Deuteranopia (green-blind)
#0066F0
Tritanopia (blue-blind)
#007B9B
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #6451f3;
/* rgb */ color: rgb(100, 81, 243);
/* oklch */ color: oklch(55.4% 0.231 281.0);
Tailwind
colors: {
  custom: {
    50: '#9e83f8',
    500: '#6451f3',
    950: '#000000',
  },
}
SCSS
$custom: #6451f3;
$custom-light: #9e83f8;
$custom-dark: #000000;
JSON
{
  "hex": "#6451f3",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 243
  },
  "hsl": {
    "h": 247.037,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55405,
    "c": 0.23108,
    "h": 281
  },
  "luminance": 0.15065
}

Semantic roles & 50–950 ramp

primary
#6451F3
secondary
#E6EDB3
accent
#E402C9
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #6451F3

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

Preview Lab → · Contrast checker → · Palette generator →

#6451F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva