#424CC3#424CC3

#424CC3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.2% C 0.183 H 273.6°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#424CC3
RGB	rgb(66, 76, 195)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 66%, 76%)
CMYK	cmyk(66.2%, 61%, 0%, 23.5%)
CIE-LAB	lab(38.32, 34.14, -63.51)
CIE-LCH	lch(38.32, 72.10, 298.26°)
OKLab	oklab(48.19% 0.0116 -0.183)
OKLCH	oklch(48.19% 0.183 273.6)
XYZ	xyz(14.6783, 10.2660, 52.8272)
Luminance	0.1027 (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

#424CC3 #C3B942

analogous

#428CC3 #424CC3 #7842C3

triadic

#424CC3 #C3424C #4CC342

tetradic

#424CC3 #C3428C #C3B942 #42C378

square

#424CC3 #C3428C #C3B942 #42C378

split-complementary

#424CC3 #C37842 #8CC342

monochromatic

#212769 #303898 #424CC3 #7078D2 #9FA4E0

Accessibility & contrast

On white

6.88

#424CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC3	#FFFFFF	#000000	##FFFFFF
##424CC3	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C7

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424cc3;
/* rgb */ color: rgb(66, 76, 195);
/* oklch */ color: oklch(48.2% 0.183 273.6);

Tailwind

colors: {
  custom: {
    50: '#857ed6',
    500: '#424cc3',
    950: '#000000',
  },
}

SCSS

$custom: #424cc3;
$custom-light: #857ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc3",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 195
  },
  "hsl": {
    "h": 235.349,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48188,
    "c": 0.18341,
    "h": 273.6
  },
  "luminance": 0.10267
}

Semantic roles & 50–950 ramp

primary

#424CC3

secondary

#CDC894

accent

#D04DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424CC3

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

Preview Lab → · Contrast checker → · Palette generator →