#6451D9#6451D9

#6451D9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 53.3% C 0.199 H 283.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#6451D9
RGB	rgb(100, 81, 217)
HSL	hsl(248, 64%, 58%)
HSV	hsv(248, 63%, 85%)
CMYK	cmyk(53.9%, 62.7%, 0%, 14.9%)
CIE-LAB	lab(43.66, 43.77, -67.39)
CIE-LCH	lch(43.66, 80.36, 303.00°)
OKLab	oklab(53.27% 0.0471 -0.1935)
OKLCH	oklch(53.27% 0.199 283.7)
XYZ	xyz(20.7185, 13.6027, 67.1660)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6451D9 #C6D951

analogous

#5182D9 #6451D9 #A851D9

triadic

#6451D9 #D96451 #51D964

tetradic

#6451D9 #D95182 #C6D951 #51D9A8

square

#6451D9 #D95182 #C6D951 #51D9A8

split-complementary

#6451D9 #D9A851 #82D951

monochromatic

#2F1F90 #402AC2 #6451D9 #9183E4 #BDB5EF

Accessibility & contrast

On white

5.64

#6451D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#6451D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6451D9

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6451D9	#FFFFFF	#000000	##FFFFFF
##6451D9	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#0063D6

Tritanopia (blue-blind)

#30728D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6451d9;
/* rgb */ color: rgb(100, 81, 217);
/* oklch */ color: oklch(53.3% 0.199 283.7);

Tailwind

colors: {
  custom: {
    50: '#9a83e6',
    500: '#6451d9',
    950: '#000000',
  },
}

SCSS

$custom: #6451d9;
$custom-light: #9a83e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6451d9",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 217
  },
  "hsl": {
    "h": 248.382,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5327,
    "c": 0.19914,
    "h": 283.7
  },
  "luminance": 0.13604
}

Semantic roles & 50–950 ramp

primary

#6451D9

secondary

#D6DEA8

accent

#E741D0

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6451D9

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

Preview Lab → · Contrast checker → · Palette generator →