#424ECD#424ECD

#424ECD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.4% C 0.194 H 272.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#424ECD
RGB	rgb(66, 78, 205)
HSL	hsl(235, 58%, 53%)
HSV	hsv(235, 68%, 80%)
CMYK	cmyk(67.8%, 62%, 0%, 19.6%)
CIE-LAB	lab(39.60, 36.33, -67.21)
CIE-LCH	lch(39.60, 76.40, 298.40°)
OKLab	oklab(49.39% 0.0096 -0.1939)
OKLCH	oklch(49.39% 0.194 272.8)
XYZ	xyz(15.9869, 11.0133, 59.0290)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.84

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ECD #CDC142

analogous

#4293CD #424ECD #7B42CD

triadic

#424ECD #CD424E #4ECD42

tetradic

#424ECD #CD4293 #CDC142 #42CD7B

square

#424ECD #CD4293 #CDC142 #42CD7B

split-complementary

#424ECD #CD7B42 #93CD42

monochromatic

#1F2776 #2C36A6 #424ECD #727BDA #A3A9E7

Accessibility & contrast

On white

6.56

#424ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#424ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ECD

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ECD	#FFFFFF	#000000	##FFFFFF
##424ECD	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D1

Deuteranopia (green-blind)

#0057CB

Tritanopia (blue-blind)

#006E86

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424ecd;
/* rgb */ color: rgb(66, 78, 205);
/* oklch */ color: oklch(49.4% 0.194 272.8);

Tailwind

colors: {
  custom: {
    50: '#877fdd',
    500: '#424ecd',
    950: '#000000',
  },
}

SCSS

$custom: #424ecd;
$custom-light: #877fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#424ecd",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 205
  },
  "hsl": {
    "h": 234.82,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49387,
    "c": 0.19413,
    "h": 272.8
  },
  "luminance": 0.11015
}

Semantic roles & 50–950 ramp

primary

#424ECD

secondary

#D3CE97

accent

#D446E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424ECD

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

Preview Lab → · Contrast checker → · Palette generator →