#424FC4#424FC4

#424FC4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.8% C 0.181 H 272.9°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#424FC4
RGB	rgb(66, 79, 196)
HSL	hsl(234, 52%, 51%)
HSV	hsv(234, 66%, 77%)
CMYK	cmyk(66.3%, 59.7%, 0%, 23.1%)
CIE-LAB	lab(39.13, 32.59, -62.76)
CIE-LCH	lch(39.13, 70.72, 297.44°)
OKLab	oklab(48.81% 0.0091 -0.1808)
OKLCH	oklch(48.81% 0.181 272.9)
XYZ	xyz(15.0032, 10.7344, 53.4951)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FC4 #C4B742

analogous

#4290C4 #424FC4 #7642C4

triadic

#424FC4 #C4424F #4FC442

tetradic

#424FC4 #C44290 #C4B742 #42C476

square

#424FC4 #C44290 #C4B742 #42C476

split-complementary

#424FC4 #C47642 #90C442

monochromatic

#21296A #303A99 #424FC4 #717AD3 #9FA6E1

Accessibility & contrast

On white

6.67

#424FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#424FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FC4

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FC4	#FFFFFF	#000000	##FFFFFF
##424FC4	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C8

Deuteranopia (green-blind)

#0056C2

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424fc4;
/* rgb */ color: rgb(66, 79, 196);
/* oklch */ color: oklch(48.8% 0.181 272.9);

Tailwind

colors: {
  custom: {
    50: '#8580d7',
    500: '#424fc4',
    950: '#000000',
  },
}

SCSS

$custom: #424fc4;
$custom-light: #8580d7;
$custom-dark: #000000;

JSON

{
  "hex": "#424fc4",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 196
  },
  "hsl": {
    "h": 234,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48814,
    "c": 0.18105,
    "h": 272.9
  },
  "luminance": 0.10736
}

Semantic roles & 50–950 ramp

primary

#424FC4

secondary

#CEC894

accent

#CD4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424FC4

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

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