#424BD9#424BD9

#424BD9 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 49.9% C 0.213 H 273.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#424BD9
RGB	rgb(66, 75, 217)
HSL	hsl(236, 67%, 55%)
HSV	hsv(236, 70%, 85%)
CMYK	cmyk(69.6%, 65.4%, 0%, 14.9%)
CIE-LAB	lab(39.91, 42.26, -73.61)
CIE-LCH	lch(39.91, 84.88, 299.86°)
OKLab	oklab(49.93% 0.011 -0.2127)
OKLCH	oklch(49.93% 0.213 273)
XYZ	xyz(17.2830, 11.1985, 66.8829)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BD9 #D9D042

analogous

#4296D9 #424BD9 #8442D9

triadic

#424BD9 #D9424B #4BD942

tetradic

#424BD9 #D94296 #D9D042 #42D984

square

#424BD9 #D94296 #D9D042 #42D984

split-complementary

#424BD9 #D98442 #96D942

monochromatic

#1B2186 #252EB9 #424BD9 #757CE3 #A8ACED

Accessibility & contrast

On white

6.48

#424BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#424BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BD9

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BD9	#FFFFFF	#000000	##FFFFFF
##424BD9	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065DD

Deuteranopia (green-blind)

#0057D6

Tritanopia (blue-blind)

#00718B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424bd9;
/* rgb */ color: rgb(66, 75, 217);
/* oklch */ color: oklch(49.9% 0.213 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a7ee6',
    500: '#424bd9',
    950: '#000000',
  },
}

SCSS

$custom: #424bd9;
$custom-light: #8a7ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#424bd9",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 217
  },
  "hsl": {
    "h": 236.424,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49925,
    "c": 0.21295,
    "h": 273
  },
  "luminance": 0.112
}

Semantic roles & 50–950 ramp

primary

#424BD9

secondary

#DBD79C

accent

#DF3EE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424BD9

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

Preview Lab → · Contrast checker → · Palette generator →