#6451CF#6451CF

#6451CF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.5% C 0.186 H 284.9°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#6451CF
RGB	rgb(100, 81, 207)
HSL	hsl(249, 57%, 56%)
HSV	hsv(249, 61%, 81%)
CMYK	cmyk(51.7%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(42.91, 40.75, -62.87)
CIE-LCH	lch(42.91, 74.93, 302.95°)
OKLab	oklab(52.49% 0.0478 -0.1802)
OKLCH	oklch(52.49% 0.186 284.9)
XYZ	xyz(19.4571, 13.0982, 60.5223)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6451CF #BCCF51

analogous

#517DCF #6451CF #A351CF

triadic

#6451CF #CF6451 #51CF64

tetradic

#6451CF #CF517D #BCCF51 #51CFA3

square

#6451CF #CF517D #BCCF51 #51CFA3

split-complementary

#6451CF #CFA351 #7DCF51

monochromatic

#322482 #4431B2 #6451CF #8F81DC #B9B1E9

Accessibility & contrast

On white

5.80

#6451CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#6451CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6451CF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6451CF	#FFFFFF	#000000	##FFFFFF
##6451CF	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#3A6F88

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #6451cf;
/* rgb */ color: rgb(100, 81, 207);
/* oklch */ color: oklch(52.5% 0.186 284.9);

Tailwind

colors: {
  custom: {
    50: '#9983df',
    500: '#6451cf',
    950: '#000000',
  },
}

SCSS

$custom: #6451cf;
$custom-light: #9983df;
$custom-dark: #000000;

JSON

{
  "hex": "#6451cf",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 249.048,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.5249,
    "c": 0.18642,
    "h": 284.9
  },
  "luminance": 0.13099
}

Semantic roles & 50–950 ramp

primary

#6451CF

secondary

#D0D8A4

accent

#E048C9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #6451CF

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

Preview Lab → · Contrast checker → · Palette generator →