#424AC8#424AC8

#424AC8 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.3% C 0.192 H 273.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#424AC8
RGB	rgb(66, 74, 200)
HSL	hsl(236, 55%, 52%)
HSV	hsv(236, 67%, 78%)
CMYK	cmyk(67%, 63%, 0%, 21.6%)
CIE-LAB	lab(38.24, 37.10, -66.54)
CIE-LCH	lch(38.24, 76.18, 299.14°)
OKLab	oklab(48.26% 0.0129 -0.1919)
OKLCH	oklch(48.26% 0.192 273.9)
XYZ	xyz(15.1174, 10.2246, 55.8092)
Luminance	0.1023 (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

#424AC8 #C8C042

analogous

#428DC8 #424AC8 #7D42C8

triadic

#424AC8 #C8424A #4AC842

tetradic

#424AC8 #C8428D #C8C042 #42C87D

square

#424AC8 #C8428D #C8C042 #42C87D

split-complementary

#424AC8 #C87D42 #8DC842

monochromatic

#20256F #2E359F #424AC8 #7177D6 #A1A5E4

Accessibility & contrast

On white

6.90

#424AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AC8

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC8	#FFFFFF	#000000	##FFFFFF
##424AC8	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CC

Deuteranopia (green-blind)

#0054C6

Tritanopia (blue-blind)

#006A82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424ac8;
/* rgb */ color: rgb(66, 74, 200);
/* oklch */ color: oklch(48.3% 0.192 273.9);

Tailwind

colors: {
  custom: {
    50: '#867cda',
    500: '#424ac8',
    950: '#000000',
  },
}

SCSS

$custom: #424ac8;
$custom-light: #867cda;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac8",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 200
  },
  "hsl": {
    "h": 236.418,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48261,
    "c": 0.19237,
    "h": 273.9
  },
  "luminance": 0.10226
}

Semantic roles & 50–950 ramp

primary

#424AC8

secondary

#D0CD96

accent

#D54ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #424AC8

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

Preview Lab → · Contrast checker → · Palette generator →