#6351DD#6351DD

#6351DD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.5% C 0.204 H 282.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#6351DD
RGB	rgb(99, 81, 221)
HSL	hsl(248, 67%, 59%)
HSV	hsv(248, 63%, 87%)
CMYK	cmyk(55.2%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(43.88, 44.81, -69.32)
CIE-LCH	lch(43.88, 82.54, 302.88°)
OKLab	oklab(53.51% 0.0455 -0.1991)
OKLCH	oklch(53.51% 0.204 282.9)
XYZ	xyz(21.1352, 13.7567, 69.9342)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6351DD #CBDD51

analogous

#5185DD #6351DD #A951DD

triadic

#6351DD #DD6351 #51DD63

tetradic

#6351DD #DD5185 #CBDD51 #51DDA9

square

#6351DD #DD5185 #CBDD51 #51DDA9

split-complementary

#6351DD #DDA951 #85DD51

monochromatic

#2D1D96 #3C27C9 #6351DD #9184E7 #BFB7F1

Accessibility & contrast

On white

5.60

#6351DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#6351DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6351DD

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6351DD	#FFFFFF	#000000	##FFFFFF
##6351DD	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#287490

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6351dd;
/* rgb */ color: rgb(99, 81, 221);
/* oklch */ color: oklch(53.5% 0.204 282.9);

Tailwind

colors: {
  custom: {
    50: '#9a83e9',
    500: '#6351dd',
    950: '#000000',
  },
}

SCSS

$custom: #6351dd;
$custom-light: #9a83e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6351dd",
  "rgb": {
    "r": 99,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 247.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53509,
    "c": 0.20428,
    "h": 282.9
  },
  "luminance": 0.13758
}

Semantic roles & 50–950 ramp

primary

#6351DD

secondary

#D9E0AA

accent

#EA3ED4

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6351DD

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

Preview Lab → · Contrast checker → · Palette generator →