#424AD1#424AD1

#424AD1 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.0% C 0.204 H 273.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#424AD1
RGB	rgb(66, 74, 209)
HSL	hsl(237, 61%, 54%)
HSV	hsv(237, 68%, 82%)
CMYK	cmyk(68.4%, 64.6%, 0%, 18%)
CIE-LAB	lab(39.00, 40.16, -70.51)
CIE-LCH	lch(39.00, 81.15, 299.67°)
OKLab	oklab(49.05% 0.0123 -0.2036)
OKLCH	oklch(49.05% 0.204 273.5)
XYZ	xyz(16.2003, 10.6577, 61.5126)
Luminance	0.1066 (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

#424AD1 #D1C942

analogous

#4292D1 #424AD1 #8242D1

triadic

#424AD1 #D1424A #4AD142

tetradic

#424AD1 #D14292 #D1C942 #42D182

square

#424AD1 #D14292 #D1C942 #42D182

split-complementary

#424AD1 #D18242 #92D142

monochromatic

#1E237B #2A31AC #424AD1 #7379DD #A4A8E9

Accessibility & contrast

On white

6.71

#424AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#424AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD1

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD1	#FFFFFF	#000000	##FFFFFF
##424AD1	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D5

Deuteranopia (green-blind)

#0055CE

Tritanopia (blue-blind)

#006D87

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ad1;
/* rgb */ color: rgb(66, 74, 209);
/* oklch */ color: oklch(49.0% 0.204 273.5);

Tailwind

colors: {
  custom: {
    50: '#887de0',
    500: '#424ad1',
    950: '#000000',
  },
}

SCSS

$custom: #424ad1;
$custom-light: #887de0;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad1",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 209
  },
  "hsl": {
    "h": 236.643,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49047,
    "c": 0.20396,
    "h": 273.5
  },
  "luminance": 0.10659
}

Semantic roles & 50–950 ramp

primary

#424AD1

secondary

#D6D299

accent

#DB44E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424AD1

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

Preview Lab → · Contrast checker → · Palette generator →