#424EC5#424EC5

#424EC5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.184 H 273.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#424EC5
RGB	rgb(66, 78, 197)
HSL	hsl(235, 53%, 52%)
HSV	hsv(235, 66%, 77%)
CMYK	cmyk(66.5%, 60.4%, 0%, 22.7%)
CIE-LAB	lab(38.96, 33.57, -63.62)
CIE-LCH	lch(38.96, 71.93, 297.82°)
OKLab	oklab(48.72% 0.0099 -0.1833)
OKLCH	oklch(48.72% 0.184 273.1)
XYZ	xyz(15.0458, 10.6369, 54.0727)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EC5 #C5B942

analogous

#4290C5 #424EC5 #7842C5

triadic

#424EC5 #C5424E #4EC542

tetradic

#424EC5 #C54290 #C5B942 #42C578

square

#424EC5 #C54290 #C5B942 #42C578

split-complementary

#424EC5 #C57842 #90C542

monochromatic

#21286C #2F399A #424EC5 #717AD3 #A0A6E2

Accessibility & contrast

On white

6.71

#424EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#424EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EC5

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EC5	#FFFFFF	#000000	##FFFFFF
##424EC5	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0056C3

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424ec5;
/* rgb */ color: rgb(66, 78, 197);
/* oklch */ color: oklch(48.7% 0.184 273.1);

Tailwind

colors: {
  custom: {
    50: '#867fd7',
    500: '#424ec5',
    950: '#000000',
  },
}

SCSS

$custom: #424ec5;
$custom-light: #867fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#424ec5",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 197
  },
  "hsl": {
    "h": 234.504,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48715,
    "c": 0.18361,
    "h": 273.1
  },
  "luminance": 0.10638
}

Semantic roles & 50–950 ramp

primary

#424EC5

secondary

#CEC995

accent

#CF4BDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #424EC5

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

Preview Lab → · Contrast checker → · Palette generator →