#424ED5#424ED5

#424ED5 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.1% C 0.204 H 272.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#424ED5
RGB	rgb(66, 78, 213)
HSL	hsl(235, 64%, 55%)
HSV	hsv(235, 69%, 84%)
CMYK	cmyk(69%, 63.4%, 0%, 16.5%)
CIE-LAB	lab(40.26, 39.08, -70.74)
CIE-LCH	lch(40.26, 80.82, 298.92°)
OKLab	oklab(50.08% 0.0092 -0.2043)
OKLCH	oklch(50.08% 0.204 272.6)
XYZ	xyz(16.9774, 11.4095, 64.2454)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ED5 #D5C942

analogous

#4298D5 #424ED5 #8042D5

triadic

#424ED5 #D5424E #4ED542

tetradic

#424ED5 #D54298 #D5C942 #42D580

square

#424ED5 #D54298 #D5C942 #42D580

split-complementary

#424ED5 #D58042 #98D542

monochromatic

#1C2580 #2833B2 #424ED5 #747DE0 #A6ACEB

Accessibility & contrast

On white

6.40

#424ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#424ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ED5

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ED5	#FFFFFF	#000000	##FFFFFF
##424ED5	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D9

Deuteranopia (green-blind)

#0058D2

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #424ed5;
/* rgb */ color: rgb(66, 78, 213);
/* oklch */ color: oklch(50.1% 0.204 272.6);

Tailwind

colors: {
  custom: {
    50: '#897fe3',
    500: '#424ed5',
    950: '#000000',
  },
}

SCSS

$custom: #424ed5;
$custom-light: #897fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#424ed5",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 213
  },
  "hsl": {
    "h": 235.102,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50075,
    "c": 0.20447,
    "h": 272.6
  },
  "luminance": 0.11411
}

Semantic roles & 50–950 ramp

primary

#424ED5

secondary

#D8D39A

accent

#D941E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424ED5

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

Preview Lab → · Contrast checker → · Palette generator →