#6451D8#6451D8

#6451D8 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 53.2% C 0.198 H 283.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#6451D8
RGB	rgb(100, 81, 216)
HSL	hsl(248, 63%, 58%)
HSV	hsv(248, 63%, 85%)
CMYK	cmyk(53.7%, 62.5%, 0%, 15.3%)
CIE-LAB	lab(43.58, 43.47, -66.95)
CIE-LCH	lch(43.58, 79.82, 303.00°)
OKLab	oklab(53.19% 0.0472 -0.1922)
OKLCH	oklch(53.19% 0.198 283.8)
XYZ	xyz(20.5889, 13.5509, 66.4831)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6451D8 #C5D851

analogous

#5182D8 #6451D8 #A751D8

triadic

#6451D8 #D86451 #51D864

tetradic

#6451D8 #D85182 #C5D851 #51D8A7

square

#6451D8 #D85182 #C5D851 #51D8A7

split-complementary

#6451D8 #D8A751 #82D851

monochromatic

#30208F #402BC1 #6451D8 #9183E3 #BDB5EE

Accessibility & contrast

On white

5.66

#6451D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#6451D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6451D8

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6451D8	#FFFFFF	#000000	##FFFFFF
##6451D8	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDC

Deuteranopia (green-blind)

#0063D5

Tritanopia (blue-blind)

#31728D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6451d8;
/* rgb */ color: rgb(100, 81, 216);
/* oklch */ color: oklch(53.2% 0.198 283.8);

Tailwind

colors: {
  custom: {
    50: '#9a83e5',
    500: '#6451d8',
    950: '#000000',
  },
}

SCSS

$custom: #6451d8;
$custom-light: #9a83e5;
$custom-dark: #000000;

JSON

{
  "hex": "#6451d8",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 216
  },
  "hsl": {
    "h": 248.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53191,
    "c": 0.19787,
    "h": 283.8
  },
  "luminance": 0.13552
}

Semantic roles & 50–950 ramp

primary

#6451D8

secondary

#D6DDA8

accent

#E641CF

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6451D8

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

Preview Lab → · Contrast checker → · Palette generator →