#424AC9#424AC9

#424AC9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.3% C 0.194 H 273.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#424AC9
RGB	rgb(66, 74, 201)
HSL	hsl(236, 56%, 52%)
HSV	hsv(236, 67%, 79%)
CMYK	cmyk(67.2%, 63.2%, 0%, 21.2%)
CIE-LAB	lab(38.33, 37.44, -66.98)
CIE-LCH	lch(38.33, 76.74, 299.20°)
OKLab	oklab(48.35% 0.0129 -0.1932)
OKLCH	oklch(48.35% 0.194 273.8)
XYZ	xyz(15.2347, 10.2715, 56.4267)
Luminance	0.1027 (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

#424AC9 #C9C142

analogous

#428EC9 #424AC9 #7D42C9

triadic

#424AC9 #C9424A #4AC942

tetradic

#424AC9 #C9428E #C9C142 #42C97D

square

#424AC9 #C9428E #C9C142 #42C97D

split-complementary

#424AC9 #C97D42 #8EC942

monochromatic

#202570 #2E35A0 #424AC9 #7278D7 #A1A5E4

Accessibility & contrast

On white

6.87

#424AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AC9

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC9	#FFFFFF	#000000	##FFFFFF
##424AC9	1.00	6.87	3.05	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CD

Deuteranopia (green-blind)

#0054C7

Tritanopia (blue-blind)

#006B83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424ac9;
/* rgb */ color: rgb(66, 74, 201);
/* oklch */ color: oklch(48.3% 0.194 273.8);

Tailwind

colors: {
  custom: {
    50: '#877cda',
    500: '#424ac9',
    950: '#000000',
  },
}

SCSS

$custom: #424ac9;
$custom-light: #877cda;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac9",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 201
  },
  "hsl": {
    "h": 236.444,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48347,
    "c": 0.19368,
    "h": 273.8
  },
  "luminance": 0.10273
}

Semantic roles & 50–950 ramp

primary

#424AC9

secondary

#D1CD96

accent

#D649DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #424AC9

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

Preview Lab → · Contrast checker → · Palette generator →