#424AC7#424AC7

#424AC7 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.2% C 0.191 H 273.9°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#424AC7
RGB	rgb(66, 74, 199)
HSL	hsl(236, 54%, 52%)
HSV	hsv(236, 67%, 78%)
CMYK	cmyk(66.8%, 62.8%, 0%, 22%)
CIE-LAB	lab(38.16, 36.76, -66.09)
CIE-LCH	lch(38.16, 75.63, 299.08°)
OKLab	oklab(48.18% 0.013 -0.1906)
OKLCH	oklch(48.18% 0.191 273.9)
XYZ	xyz(15.0009, 10.1780, 55.1958)
Luminance	0.1018 (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

#424AC7 #C7BF42

analogous

#428DC7 #424AC7 #7D42C7

triadic

#424AC7 #C7424A #4AC742

tetradic

#424AC7 #C7428D #C7BF42 #42C77D

square

#424AC7 #C7428D #C7BF42 #42C77D

split-complementary

#424AC7 #C77D42 #8DC742

monochromatic

#21256E #2F359D #424AC7 #7177D5 #A0A4E3

Accessibility & contrast

On white

6.92

#424AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#424AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AC7

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC7	#FFFFFF	#000000	##FFFFFF
##424AC7	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CB

Deuteranopia (green-blind)

#0054C5

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424ac7;
/* rgb */ color: rgb(66, 74, 199);
/* oklch */ color: oklch(48.2% 0.191 273.9);

Tailwind

colors: {
  custom: {
    50: '#867cd9',
    500: '#424ac7',
    950: '#000000',
  },
}

SCSS

$custom: #424ac7;
$custom-light: #867cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac7",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 199
  },
  "hsl": {
    "h": 236.391,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48175,
    "c": 0.19107,
    "h": 273.9
  },
  "luminance": 0.10179
}

Semantic roles & 50–950 ramp

primary

#424AC7

secondary

#D0CC95

accent

#D54ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #424AC7

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

Preview Lab → · Contrast checker → · Palette generator →