#424AC3#424AC3

#424AC3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.8% C 0.186 H 274.1°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#424AC3
RGB	rgb(66, 74, 195)
HSL	hsl(236, 52%, 51%)
HSV	hsv(236, 66%, 76%)
CMYK	cmyk(66.2%, 62.1%, 0%, 23.5%)
CIE-LAB	lab(37.83, 35.39, -64.30)
CIE-LCH	lch(37.83, 73.39, 298.83°)
OKLab	oklab(47.83% 0.0132 -0.1854)
OKLCH	oklch(47.83% 0.186 274.1)
XYZ	xyz(14.5426, 9.9946, 52.7820)
Luminance	0.1000 (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

#424AC3 #C3BB42

analogous

#428AC3 #424AC3 #7A42C3

triadic

#424AC3 #C3424A #4AC342

tetradic

#424AC3 #C3428A #C3BB42 #42C37A

square

#424AC3 #C3428A #C3BB42 #42C37A

split-complementary

#424AC3 #C37A42 #8AC342

monochromatic

#212669 #303798 #424AC3 #7076D2 #9FA3E0

Accessibility & contrast

On white

7.00

#424AC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#424AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AC3

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC3	#FFFFFF	#000000	##FFFFFF
##424AC3	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC7

Deuteranopia (green-blind)

#0053C1

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424ac3;
/* rgb */ color: rgb(66, 74, 195);
/* oklch */ color: oklch(47.8% 0.186 274.1);

Tailwind

colors: {
  custom: {
    50: '#857cd6',
    500: '#424ac3',
    950: '#000000',
  },
}

SCSS

$custom: #424ac3;
$custom-light: #857cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac3",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 195
  },
  "hsl": {
    "h": 236.279,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47833,
    "c": 0.18583,
    "h": 274.1
  },
  "luminance": 0.09996
}

Semantic roles & 50–950 ramp

primary

#424AC3

secondary

#CDC994

accent

#D24DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424AC3

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

Preview Lab → · Contrast checker → · Palette generator →