#424ECA#424ECA

#424ECA is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.1% C 0.190 H 272.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#424ECA
RGB	rgb(66, 78, 202)
HSL	hsl(235, 56%, 53%)
HSV	hsv(235, 67%, 79%)
CMYK	cmyk(67.3%, 61.4%, 0%, 20.8%)
CIE-LAB	lab(39.36, 35.30, -65.87)
CIE-LCH	lch(39.36, 74.73, 298.19°)
OKLab	oklab(49.13% 0.0098 -0.19)
OKLCH	oklch(49.13% 0.19 272.9)
XYZ	xyz(15.6283, 10.8699, 57.1402)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ECA #CABE42

analogous

#4292CA #424ECA #7A42CA

triadic

#424ECA #CA424E #4ECA42

tetradic

#424ECA #CA4292 #CABE42 #42CA7A

square

#424ECA #CA4292 #CABE42 #42CA7A

split-complementary

#424ECA #CA7A42 #92CA42

monochromatic

#202772 #2D38A2 #424ECA #727BD7 #A2A8E5

Accessibility & contrast

On white

6.62

#424ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#424ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ECA

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ECA	#FFFFFF	#000000	##FFFFFF
##424ECA	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424eca;
/* rgb */ color: rgb(66, 78, 202);
/* oklch */ color: oklch(49.1% 0.190 272.9);

Tailwind

colors: {
  custom: {
    50: '#877fdb',
    500: '#424eca',
    950: '#000000',
  },
}

SCSS

$custom: #424eca;
$custom-light: #877fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#424eca",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 202
  },
  "hsl": {
    "h": 234.706,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49133,
    "c": 0.19021,
    "h": 272.9
  },
  "luminance": 0.10871
}

Semantic roles & 50–950 ramp

primary

#424ECA

secondary

#D1CC96

accent

#D248DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424ECA

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

Preview Lab → · Contrast checker → · Palette generator →