#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
RGB	rgb(100, 81, 243)
HSL	hsl(247, 87%, 64%)
HSV	hsv(247, 67%, 95%)
CMYK	cmyk(58.8%, 66.7%, 0%, 4.7%)
CIE-LAB	lab(45.72, 51.61, -78.74)
CIE-LCH	lch(45.72, 94.15, 303.24°)
OKLab	oklab(55.41% 0.0443 -0.2268)
OKLCH	oklch(55.41% 0.231 281)
XYZ	xyz(24.3705, 15.0635, 86.4000)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

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
##6451F3	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

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 →