#424FC3#424FC3

#424FC3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.7% C 0.180 H 272.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#424FC3
RGB	rgb(66, 79, 195)
HSL	hsl(234, 52%, 51%)
HSV	hsv(234, 66%, 76%)
CMYK	cmyk(66.2%, 59.5%, 0%, 23.5%)
CIE-LAB	lab(39.05, 32.25, -62.31)
CIE-LCH	lch(39.05, 70.16, 297.36°)
OKLab	oklab(48.73% 0.0091 -0.1795)
OKLCH	oklch(48.73% 0.18 272.9)
XYZ	xyz(14.8898, 10.6890, 52.8977)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FC3 #C3B642

analogous

#428FC3 #424FC3 #7542C3

triadic

#424FC3 #C3424F #4FC342

tetradic

#424FC3 #C3428F #C3B642 #42C375

square

#424FC3 #C3428F #C3B642 #42C375

split-complementary

#424FC3 #C37542 #8FC342

monochromatic

#212969 #303B98 #424FC3 #707AD2 #9FA6E0

Accessibility & contrast

On white

6.69

#424FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#424FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FC3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FC3	#FFFFFF	#000000	##FFFFFF
##424FC3	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C7

Deuteranopia (green-blind)

#0056C1

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424fc3;
/* rgb */ color: rgb(66, 79, 195);
/* oklch */ color: oklch(48.7% 0.180 272.9);

Tailwind

colors: {
  custom: {
    50: '#8580d6',
    500: '#424fc3',
    950: '#000000',
  },
}

SCSS

$custom: #424fc3;
$custom-light: #8580d6;
$custom-dark: #000000;

JSON

{
  "hex": "#424fc3",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 195
  },
  "hsl": {
    "h": 233.953,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48733,
    "c": 0.17972,
    "h": 272.9
  },
  "luminance": 0.1069
}

Semantic roles & 50–950 ramp

primary

#424FC3

secondary

#CDC794

accent

#CD4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424FC3

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

Preview Lab → · Contrast checker → · Palette generator →