#424AD5#424AD5

#424AD5 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.4% C 0.209 H 273.3°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#424AD5
RGB	rgb(66, 74, 213)
HSL	hsl(237, 64%, 55%)
HSV	hsv(237, 69%, 84%)
CMYK	cmyk(69%, 65.3%, 0%, 16.5%)
CIE-LAB	lab(39.34, 41.52, -72.25)
CIE-LCH	lch(39.34, 83.33, 299.88°)
OKLab	oklab(49.4% 0.012 -0.2087)
OKLCH	oklch(49.4% 0.209 273.3)
XYZ	xyz(16.7018, 10.8583, 64.1536)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424AD5 #D5CD42

analogous

#4293D5 #424AD5 #8442D5

triadic

#424AD5 #D5424A #4AD542

tetradic

#424AD5 #D54293 #D5CD42 #42D584

square

#424AD5 #D54293 #D5CD42 #42D584

split-complementary

#424AD5 #D58442 #93D542

monochromatic

#1C2280 #282FB2 #424AD5 #747AE0 #A6AAEB

Accessibility & contrast

On white

6.62

#424AD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#424AD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD5

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD5	#FFFFFF	#000000	##FFFFFF
##424AD5	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D9

Deuteranopia (green-blind)

#0056D2

Tritanopia (blue-blind)

#006F89

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424ad5;
/* rgb */ color: rgb(66, 74, 213);
/* oklch */ color: oklch(49.4% 0.209 273.3);

Tailwind

colors: {
  custom: {
    50: '#897de3',
    500: '#424ad5',
    950: '#000000',
  },
}

SCSS

$custom: #424ad5;
$custom-light: #897de3;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad5",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 213
  },
  "hsl": {
    "h": 236.735,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49402,
    "c": 0.20904,
    "h": 273.3
  },
  "luminance": 0.1086
}

Semantic roles & 50–950 ramp

primary

#424AD5

secondary

#D8D59A

accent

#DE41E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #424AD5

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

Preview Lab → · Contrast checker → · Palette generator →