#4228CA#4228CA

#4228CA is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.6% C 0.229 H 278.4°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#4228CA
RGB	rgb(66, 40, 202)
HSL	hsl(250, 67%, 47%)
HSV	hsv(250, 80%, 79%)
CMYK	cmyk(67.3%, 80.2%, 0%, 20.8%)
CIE-LAB	lab(31.67, 56.46, -78.52)
CIE-LCH	lch(31.67, 96.71, 305.72°)
OKLab	oklab(43.62% 0.0333 -0.2268)
OKLCH	oklch(43.62% 0.229 278.4)
XYZ	xyz(13.6628, 6.9389, 56.4850)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4228CA #B0CA28

analogous

#285FCA #4228CA #9328CA

triadic

#4228CA #CA4228 #28CA42

tetradic

#4228CA #CA285F #B0CA28 #28CA93

square

#4228CA #CA285F #B0CA28 #28CA93

split-complementary

#4228CA #CA9328 #5FCA28

monochromatic

#211464 #311E97 #4228CA #6952DD #9585E7

Accessibility & contrast

On white

8.79

#4228CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4228CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4228CA

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4228CA	#FFFFFF	#000000	##FFFFFF
##4228CA	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051CE

Deuteranopia (green-blind)

#0044C7

Tritanopia (blue-blind)

#005A7A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4228ca;
/* rgb */ color: rgb(66, 40, 202);
/* oklch */ color: oklch(43.6% 0.229 278.4);

Tailwind

colors: {
  custom: {
    50: '#8a67dc',
    500: '#4228ca',
    950: '#000000',
  },
}

SCSS

$custom: #4228ca;
$custom-light: #8a67dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4228ca",
  "rgb": {
    "r": 66,
    "g": 40,
    "b": 202
  },
  "hsl": {
    "h": 249.63,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43621,
    "c": 0.22923,
    "h": 278.4
  },
  "luminance": 0.0694
}

Semantic roles & 50–950 ramp

primary

#4228CA

secondary

#C3D07E

accent

#EA3ECE

background

#F9F6FD

surface

#F2EBFB

border

#CCC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #4228CA

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

Preview Lab → · Contrast checker → · Palette generator →