#424AD3#424AD3

#424AD3 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.2% C 0.207 H 273.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#424AD3
RGB	rgb(66, 74, 211)
HSL	hsl(237, 62%, 54%)
HSV	hsv(237, 69%, 83%)
CMYK	cmyk(68.7%, 64.9%, 0%, 17.3%)
CIE-LAB	lab(39.17, 40.84, -71.38)
CIE-LCH	lch(39.17, 82.24, 299.78°)
OKLab	oklab(49.22% 0.0122 -0.2061)
OKLCH	oklch(49.22% 0.207 273.4)
XYZ	xyz(16.4495, 10.7574, 62.8249)
Luminance	0.1076 (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

#424AD3 #D3CB42

analogous

#4292D3 #424AD3 #8342D3

triadic

#424AD3 #D3424A #4AD342

tetradic

#424AD3 #D34292 #D3CB42 #42D383

square

#424AD3 #D34292 #D3CB42 #42D383

split-complementary

#424AD3 #D38342 #92D342

monochromatic

#1D237D #2930AF #424AD3 #747ADF #A5A9EA

Accessibility & contrast

On white

6.66

#424AD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#424AD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD3

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD3	#FFFFFF	#000000	##FFFFFF
##424AD3	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D7

Deuteranopia (green-blind)

#0056D0

Tritanopia (blue-blind)

#006E88

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ad3;
/* rgb */ color: rgb(66, 74, 211);
/* oklch */ color: oklch(49.2% 0.207 273.4);

Tailwind

colors: {
  custom: {
    50: '#897de2',
    500: '#424ad3',
    950: '#000000',
  },
}

SCSS

$custom: #424ad3;
$custom-light: #897de2;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad3",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 211
  },
  "hsl": {
    "h": 236.69,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49224,
    "c": 0.20651,
    "h": 273.4
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#424AD3

secondary

#D7D49A

accent

#DC42E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0915

muted

#7E7B84

Preview Lab

Preview with #424AD3

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

Preview Lab → · Contrast checker → · Palette generator →