#424FC6#424FC6

#424FC6 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.184 H 272.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#424FC6
RGB	rgb(66, 79, 198)
HSL	hsl(234, 54%, 52%)
HSV	hsv(234, 67%, 78%)
CMYK	cmyk(66.7%, 60.1%, 0%, 22.4%)
CIE-LAB	lab(39.29, 33.29, -63.67)
CIE-LCH	lch(39.29, 71.85, 297.60°)
OKLab	oklab(48.98% 0.0091 -0.1835)
OKLCH	oklch(48.98% 0.184 272.8)
XYZ	xyz(15.2324, 10.8260, 54.7020)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FC6 #C6B942

analogous

#4291C6 #424FC6 #7742C6

triadic

#424FC6 #C6424F #4FC642

tetradic

#424FC6 #C64291 #C6B942 #42C677

square

#424FC6 #C64291 #C6B942 #42C677

split-complementary

#424FC6 #C67742 #91C642

monochromatic

#21286D #2F3A9C #424FC6 #717BD4 #A0A7E2

Accessibility & contrast

On white

6.63

#424FC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#424FC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FC6

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FC6	#FFFFFF	#000000	##FFFFFF
##424FC6	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CA

Deuteranopia (green-blind)

#0057C4

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424fc6;
/* rgb */ color: rgb(66, 79, 198);
/* oklch */ color: oklch(49.0% 0.184 272.8);

Tailwind

colors: {
  custom: {
    50: '#8680d8',
    500: '#424fc6',
    950: '#000000',
  },
}

SCSS

$custom: #424fc6;
$custom-light: #8680d8;
$custom-dark: #000000;

JSON

{
  "hex": "#424fc6",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 198
  },
  "hsl": {
    "h": 234.091,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48979,
    "c": 0.18371,
    "h": 272.8
  },
  "luminance": 0.10827
}

Semantic roles & 50–950 ramp

primary

#424FC6

secondary

#CFC995

accent

#CF4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #424FC6

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

Preview Lab → · Contrast checker → · Palette generator →