#6451DD#6451DD

#6451DD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.6% C 0.204 H 283.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#6451DD
RGB	rgb(100, 81, 221)
HSL	hsl(248, 67%, 59%)
HSV	hsv(248, 63%, 87%)
CMYK	cmyk(54.8%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(43.96, 44.98, -69.18)
CIE-LCH	lch(43.96, 82.51, 303.03°)
OKLab	oklab(53.59% 0.0468 -0.1987)
OKLCH	oklch(53.59% 0.204 283.2)
XYZ	xyz(21.2451, 13.8134, 69.9394)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6451DD #CADD51

analogous

#5184DD #6451DD #AA51DD

triadic

#6451DD #DD6451 #51DD64

tetradic

#6451DD #DD5184 #CADD51 #51DDAA

square

#6451DD #DD5184 #CADD51 #51DDAA

split-complementary

#6451DD #DDAA51 #84DD51

monochromatic

#2E1D96 #3D27C9 #6451DD #9284E7 #BFB7F1

Accessibility & contrast

On white

5.58

#6451DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#6451DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6451DD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6451DD	#FFFFFF	#000000	##FFFFFF
##6451DD	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#2B7490

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6451dd;
/* rgb */ color: rgb(100, 81, 221);
/* oklch */ color: oklch(53.6% 0.204 283.2);

Tailwind

colors: {
  custom: {
    50: '#9b83e9',
    500: '#6451dd',
    950: '#000000',
  },
}

SCSS

$custom: #6451dd;
$custom-light: #9b83e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6451dd",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 248.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53589,
    "c": 0.20415,
    "h": 283.2
  },
  "luminance": 0.13815
}

Semantic roles & 50–950 ramp

primary

#6451DD

secondary

#D9E0AA

accent

#EA3ED3

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6451DD

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

Preview Lab → · Contrast checker → · Palette generator →