#424AD8#424AD8

#424AD8 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.7% C 0.213 H 273.2°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#424AD8
RGB	rgb(66, 74, 216)
HSL	hsl(237, 66%, 55%)
HSV	hsv(237, 69%, 85%)
CMYK	cmyk(69.4%, 65.7%, 0%, 15.3%)
CIE-LAB	lab(39.60, 42.53, -73.55)
CIE-LCH	lch(39.60, 84.96, 300.04°)
OKLab	oklab(49.67% 0.0117 -0.2125)
OKLCH	oklch(49.67% 0.213 273.2)
XYZ	xyz(17.0861, 11.0120, 66.1775)
Luminance	0.1101 (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

#424AD8 #D8D042

analogous

#4295D8 #424AD8 #8542D8

triadic

#424AD8 #D8424A #4AD842

tetradic

#424AD8 #D84295 #D8D042 #42D885

square

#424AD8 #D84295 #D8D042 #42D885

split-complementary

#424AD8 #D88542 #95D842

monochromatic

#1B2184 #262EB7 #424AD8 #757BE2 #A7ABED

Accessibility & contrast

On white

6.56

#424AD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#424AD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD8

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AD8	#FFFFFF	#000000	##FFFFFF
##424AD8	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DC

Deuteranopia (green-blind)

#0056D5

Tritanopia (blue-blind)

#00708B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424ad8;
/* rgb */ color: rgb(66, 74, 216);
/* oklch */ color: oklch(49.7% 0.213 273.2);

Tailwind

colors: {
  custom: {
    50: '#8a7de5',
    500: '#424ad8',
    950: '#000000',
  },
}

SCSS

$custom: #424ad8;
$custom-light: #8a7de5;
$custom-dark: #000000;

JSON

{
  "hex": "#424ad8",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 216
  },
  "hsl": {
    "h": 236.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49671,
    "c": 0.21281,
    "h": 273.2
  },
  "luminance": 0.11014
}

Semantic roles & 50–950 ramp

primary

#424AD8

secondary

#DAD79C

accent

#E03FE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #424AD8

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

Preview Lab → · Contrast checker → · Palette generator →