#424CC9#424CC9

#424CC9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.7% C 0.191 H 273.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#424CC9
RGB	rgb(66, 76, 201)
HSL	hsl(236, 56%, 52%)
HSV	hsv(236, 67%, 79%)
CMYK	cmyk(67.2%, 62.2%, 0%, 21.2%)
CIE-LAB	lab(38.80, 36.20, -66.21)
CIE-LCH	lch(38.80, 75.46, 298.67°)
OKLab	oklab(48.7% 0.0113 -0.191)
OKLCH	oklch(48.7% 0.191 273.4)
XYZ	xyz(15.3703, 10.5428, 56.4720)
Luminance	0.1054 (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

#424CC9 #C9BF42

analogous

#428FC9 #424CC9 #7C42C9

triadic

#424CC9 #C9424C #4CC942

tetradic

#424CC9 #C9428F #C9BF42 #42C97C

square

#424CC9 #C9428F #C9BF42 #42C97C

split-complementary

#424CC9 #C97C42 #8FC942

monochromatic

#202670 #2E36A0 #424CC9 #7279D7 #A1A6E4

Accessibility & contrast

On white

6.76

#424CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#424CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC9

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CC9	#FFFFFF	#000000	##FFFFFF
##424CC9	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424cc9;
/* rgb */ color: rgb(66, 76, 201);
/* oklch */ color: oklch(48.7% 0.191 273.4);

Tailwind

colors: {
  custom: {
    50: '#877eda',
    500: '#424cc9',
    950: '#000000',
  },
}

SCSS

$custom: #424cc9;
$custom-light: #877eda;
$custom-dark: #000000;

JSON

{
  "hex": "#424cc9",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 201
  },
  "hsl": {
    "h": 235.556,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48695,
    "c": 0.1913,
    "h": 273.4
  },
  "luminance": 0.10544
}

Semantic roles & 50–950 ramp

primary

#424CC9

secondary

#D1CC96

accent

#D449DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #424CC9

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

Preview Lab → · Contrast checker → · Palette generator →