#424CCA#424CCA

#424CCA is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.8% C 0.193 H 273.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#424CCA
RGB	rgb(66, 76, 202)
HSL	hsl(236, 56%, 53%)
HSV	hsv(236, 67%, 79%)
CMYK	cmyk(67.3%, 62.4%, 0%, 20.8%)
CIE-LAB	lab(38.88, 36.55, -66.65)
CIE-LCH	lch(38.88, 76.02, 298.74°)
OKLab	oklab(48.78% 0.0113 -0.1923)
OKLCH	oklch(48.78% 0.193 273.4)
XYZ	xyz(15.4883, 10.5900, 57.0935)
Luminance	0.1059 (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

#424CCA #CAC042

analogous

#4290CA #424CCA #7C42CA

triadic

#424CCA #CA424C #4CCA42

tetradic

#424CCA #CA4290 #CAC042 #42CA7C

square

#424CCA #CA4290 #CAC042 #42CA7C

split-complementary

#424CCA #CA7C42 #90CA42

monochromatic

#202672 #2D36A2 #424CCA #7279D7 #A2A7E5

Accessibility & contrast

On white

6.73

#424CCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#424CCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CCA

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CCA	#FFFFFF	#000000	##FFFFFF
##424CCA	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CE

Deuteranopia (green-blind)

#0055C8

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424cca;
/* rgb */ color: rgb(66, 76, 202);
/* oklch */ color: oklch(48.8% 0.193 273.4);

Tailwind

colors: {
  custom: {
    50: '#877edb',
    500: '#424cca',
    950: '#000000',
  },
}

SCSS

$custom: #424cca;
$custom-light: #877edb;
$custom-dark: #000000;

JSON

{
  "hex": "#424cca",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 202
  },
  "hsl": {
    "h": 235.588,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48781,
    "c": 0.1926,
    "h": 273.4
  },
  "luminance": 0.10591
}

Semantic roles & 50–950 ramp

primary

#424CCA

secondary

#D1CD96

accent

#D448DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424CCA

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

Preview Lab → · Contrast checker → · Palette generator →