#424BD1#424BD1

#424BD1 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.2% C 0.203 H 273.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#424BD1
RGB	rgb(66, 75, 209)
HSL	hsl(236, 61%, 54%)
HSV	hsv(236, 68%, 82%)
CMYK	cmyk(68.4%, 64.1%, 0%, 18%)
CIE-LAB	lab(39.23, 39.55, -70.13)
CIE-LCH	lch(39.23, 80.52, 299.42°)
OKLab	oklab(49.22% 0.0116 -0.2025)
OKLCH	oklch(49.22% 0.203 273.3)
XYZ	xyz(16.2676, 10.7923, 61.5351)
Luminance	0.1079 (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

#424BD1 #D1C842

analogous

#4293D1 #424BD1 #8142D1

triadic

#424BD1 #D1424B #4BD142

tetradic

#424BD1 #D14293 #D1C842 #42D181

square

#424BD1 #D14293 #D1C842 #42D181

split-complementary

#424BD1 #D18142 #93D142

monochromatic

#1E247B #2A32AC #424BD1 #737ADD #A4A9E9

Accessibility & contrast

On white

6.65

#424BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#424BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BD1

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BD1	#FFFFFF	#000000	##FFFFFF
##424BD1	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D5

Deuteranopia (green-blind)

#0056CE

Tritanopia (blue-blind)

#006E87

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424bd1;
/* rgb */ color: rgb(66, 75, 209);
/* oklch */ color: oklch(49.2% 0.203 273.3);

Tailwind

colors: {
  custom: {
    50: '#887de0',
    500: '#424bd1',
    950: '#000000',
  },
}

SCSS

$custom: #424bd1;
$custom-light: #887de0;
$custom-dark: #000000;

JSON

{
  "hex": "#424bd1",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 209
  },
  "hsl": {
    "h": 236.224,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49215,
    "c": 0.20281,
    "h": 273.3
  },
  "luminance": 0.10794
}

Semantic roles & 50–950 ramp

primary

#424BD1

secondary

#D6D299

accent

#DA44E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424BD1

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

Preview Lab → · Contrast checker → · Palette generator →