#424CD9#424CD9

#424CD9 is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.1% C 0.212 H 272.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#424CD9
RGB	rgb(66, 76, 217)
HSL	hsl(236, 67%, 55%)
HSV	hsv(236, 70%, 85%)
CMYK	cmyk(69.6%, 65%, 0%, 14.9%)
CIE-LAB	lab(40.14, 41.66, -73.24)
CIE-LCH	lch(40.14, 84.26, 299.63°)
OKLab	oklab(50.09% 0.0103 -0.2116)
OKLCH	oklch(50.09% 0.212 272.8)
XYZ	xyz(17.3514, 11.3352, 66.9057)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CD9 #D9CF42

analogous

#4298D9 #424CD9 #8342D9

triadic

#424CD9 #D9424C #4CD942

tetradic

#424CD9 #D94298 #D9CF42 #42D983

square

#424CD9 #D94298 #D9CF42 #42D983

split-complementary

#424CD9 #D98342 #98D942

monochromatic

#1B2286 #252FB9 #424CD9 #757CE3 #A8ADED

Accessibility & contrast

On white

6.43

#424CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#424CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CD9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CD9	#FFFFFF	#000000	##FFFFFF
##424CD9	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066DD

Deuteranopia (green-blind)

#0058D6

Tritanopia (blue-blind)

#00718C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #424cd9;
/* rgb */ color: rgb(66, 76, 217);
/* oklch */ color: oklch(50.1% 0.212 272.8);

Tailwind

colors: {
  custom: {
    50: '#8a7ee6',
    500: '#424cd9',
    950: '#000000',
  },
}

SCSS

$custom: #424cd9;
$custom-light: #8a7ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#424cd9",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 217
  },
  "hsl": {
    "h": 236.026,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5009,
    "c": 0.21183,
    "h": 272.8
  },
  "luminance": 0.11337
}

Semantic roles & 50–950 ramp

primary

#424CD9

secondary

#DBD79C

accent

#DE3EE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424CD9

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

Preview Lab → · Contrast checker → · Palette generator →