#424DC3#424DC3

#424DC3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.4% C 0.182 H 273.4°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#424DC3
RGB	rgb(66, 77, 195)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 66%, 76%)
CMYK	cmyk(66.2%, 60.5%, 0%, 23.5%)
CIE-LAB	lab(38.56, 33.51, -63.11)
CIE-LCH	lch(38.56, 71.45, 297.97°)
OKLab	oklab(48.37% 0.0107 -0.1819)
OKLCH	oklch(48.37% 0.182 273.4)
XYZ	xyz(14.7477, 10.4048, 52.8503)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DC3 #C3B842

analogous

#428DC3 #424DC3 #7742C3

triadic

#424DC3 #C3424D #4DC342

tetradic

#424DC3 #C3428D #C3B842 #42C377

square

#424DC3 #C3428D #C3B842 #42C377

split-complementary

#424DC3 #C37742 #8DC342

monochromatic

#212869 #303998 #424DC3 #7079D2 #9FA4E0

Accessibility & contrast

On white

6.82

#424DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#424DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DC3

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DC3	#FFFFFF	#000000	##FFFFFF
##424DC3	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C7

Deuteranopia (green-blind)

#0055C1

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424dc3;
/* rgb */ color: rgb(66, 77, 195);
/* oklch */ color: oklch(48.4% 0.182 273.4);

Tailwind

colors: {
  custom: {
    50: '#857ed6',
    500: '#424dc3',
    950: '#000000',
  },
}

SCSS

$custom: #424dc3;
$custom-light: #857ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#424dc3",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 195
  },
  "hsl": {
    "h": 234.884,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48368,
    "c": 0.18218,
    "h": 273.4
  },
  "luminance": 0.10406
}

Semantic roles & 50–950 ramp

primary

#424DC3

secondary

#CDC894

accent

#CF4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424DC3

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

Preview Lab → · Contrast checker → · Palette generator →