#424ACD#424ACD

#424ACD is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.7% C 0.199 H 273.6°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#424ACD
RGB	rgb(66, 74, 205)
HSL	hsl(237, 58%, 53%)
HSV	hsv(237, 68%, 80%)
CMYK	cmyk(67.8%, 63.9%, 0%, 19.6%)
CIE-LAB	lab(38.66, 38.81, -68.75)
CIE-LCH	lch(38.66, 78.95, 299.44°)
OKLab	oklab(48.7% 0.0126 -0.1984)
OKLCH	oklch(48.7% 0.199 273.6)
XYZ	xyz(15.7113, 10.4621, 58.9372)
Luminance	0.1046 (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

#424ACD #CDC542

analogous

#428FCD #424ACD #7F42CD

triadic

#424ACD #CD424A #4ACD42

tetradic

#424ACD #CD428F #CDC542 #42CD7F

square

#424ACD #CD428F #CDC542 #42CD7F

split-complementary

#424ACD #CD7F42 #8FCD42

monochromatic

#1F2476 #2C33A6 #424ACD #7278DA #A3A7E7

Accessibility & contrast

On white

6.79

#424ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#424ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ACD

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ACD	#FFFFFF	#000000	##FFFFFF
##424ACD	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D1

Deuteranopia (green-blind)

#0055CA

Tritanopia (blue-blind)

#006C85

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424acd;
/* rgb */ color: rgb(66, 74, 205);
/* oklch */ color: oklch(48.7% 0.199 273.6);

Tailwind

colors: {
  custom: {
    50: '#887ddd',
    500: '#424acd',
    950: '#000000',
  },
}

SCSS

$custom: #424acd;
$custom-light: #887ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#424acd",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 205
  },
  "hsl": {
    "h": 236.547,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48695,
    "c": 0.19884,
    "h": 273.6
  },
  "luminance": 0.10464
}

Semantic roles & 50–950 ramp

primary

#424ACD

secondary

#D3D097

accent

#D846E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424ACD

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

Preview Lab → · Contrast checker → · Palette generator →