#424ED9#424ED9

#424ED9 is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 50.4% C 0.210 H 272.5°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#424ED9
RGB	rgb(66, 78, 217)
HSL	hsl(235, 67%, 55%)
HSV	hsv(235, 70%, 85%)
CMYK	cmyk(69.6%, 64.1%, 0%, 14.9%)
CIE-LAB	lab(40.60, 40.45, -72.49)
CIE-LCH	lch(40.60, 83.01, 299.16°)
OKLab	oklab(50.43% 0.009 -0.2094)
OKLCH	oklch(50.43% 0.21 272.5)
XYZ	xyz(17.4913, 11.6151, 66.9523)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ED9 #D9CD42

analogous

#4299D9 #424ED9 #8142D9

triadic

#424ED9 #D9424E #4ED942

tetradic

#424ED9 #D94299 #D9CD42 #42D981

square

#424ED9 #D94299 #D9CD42 #42D981

split-complementary

#424ED9 #D98142 #99D942

monochromatic

#1B2386 #2531B9 #424ED9 #757EE3 #A8ADED

Accessibility & contrast

On white

6.32

#424ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#424ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ED9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ED9	#FFFFFF	#000000	##FFFFFF
##424ED9	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DD

Deuteranopia (green-blind)

#0059D6

Tritanopia (blue-blind)

#00728C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #424ed9;
/* rgb */ color: rgb(66, 78, 217);
/* oklch */ color: oklch(50.4% 0.210 272.5);

Tailwind

colors: {
  custom: {
    50: '#8a80e6',
    500: '#424ed9',
    950: '#000000',
  },
}

SCSS

$custom: #424ed9;
$custom-light: #8a80e6;
$custom-dark: #000000;

JSON

{
  "hex": "#424ed9",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 217
  },
  "hsl": {
    "h": 235.232,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50425,
    "c": 0.20956,
    "h": 272.5
  },
  "luminance": 0.11617
}

Semantic roles & 50–950 ramp

primary

#424ED9

secondary

#DBD69C

accent

#DC3EE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424ED9

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

Preview Lab → · Contrast checker → · Palette generator →