#424ED1#424ED1

#424ED1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.7% C 0.199 H 272.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#424ED1
RGB	rgb(66, 78, 209)
HSL	hsl(235, 61%, 54%)
HSV	hsv(235, 68%, 82%)
CMYK	cmyk(68.4%, 62.7%, 0%, 18%)
CIE-LAB	lab(39.93, 37.71, -68.99)
CIE-LCH	lch(39.93, 78.62, 298.66°)
OKLab	oklab(49.73% 0.0095 -0.1991)
OKLCH	oklch(49.73% 0.199 272.7)
XYZ	xyz(16.4759, 11.2089, 61.6045)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ED1 #D1C542

analogous

#4296D1 #424ED1 #7E42D1

triadic

#424ED1 #D1424E #4ED142

tetradic

#424ED1 #D14296 #D1C542 #42D17E

square

#424ED1 #D14296 #D1C542 #42D17E

split-complementary

#424ED1 #D17E42 #96D142

monochromatic

#1E267B #2A35AC #424ED1 #737CDD #A4AAE9

Accessibility & contrast

On white

6.48

#424ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#424ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ED1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ED1	#FFFFFF	#000000	##FFFFFF
##424ED1	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D5

Deuteranopia (green-blind)

#0058CE

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424ed1;
/* rgb */ color: rgb(66, 78, 209);
/* oklch */ color: oklch(49.7% 0.199 272.7);

Tailwind

colors: {
  custom: {
    50: '#887fe0',
    500: '#424ed1',
    950: '#000000',
  },
}

SCSS

$custom: #424ed1;
$custom-light: #887fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#424ed1",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 209
  },
  "hsl": {
    "h": 234.965,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49729,
    "c": 0.19932,
    "h": 272.7
  },
  "luminance": 0.1121
}

Semantic roles & 50–950 ramp

primary

#424ED1

secondary

#D6D199

accent

#D744E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424ED1

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

Preview Lab → · Contrast checker → · Palette generator →