#424DC0#424DC0

#424DC0 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.1% C 0.178 H 273.5°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#424DC0
RGB	rgb(66, 77, 192)
HSL	hsl(235, 50%, 51%)
HSV	hsv(235, 66%, 75%)
CMYK	cmyk(65.6%, 59.9%, 0%, 24.7%)
CIE-LAB	lab(38.32, 32.47, -61.74)
CIE-LCH	lch(38.32, 69.76, 297.74°)
OKLab	oklab(48.12% 0.0108 -0.1778)
OKLCH	oklch(48.12% 0.178 273.5)
XYZ	xyz(14.4119, 10.2705, 51.0819)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.84

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DC0 #C0B542

analogous

#428CC0 #424DC0 #7642C0

triadic

#424DC0 #C0424D #4DC042

tetradic

#424DC0 #C0428C #C0B542 #42C076

square

#424DC0 #C0428C #C0B542 #42C076

split-complementary

#424DC0 #C07642 #8CC042

monochromatic

#222866 #313A94 #424DC0 #7078CF #9EA3DF

Accessibility & contrast

On white

6.88

#424DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#424DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DC0

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DC0	#FFFFFF	#000000	##FFFFFF
##424DC0	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C4

Deuteranopia (green-blind)

#0055BE

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424dc0;
/* rgb */ color: rgb(66, 77, 192);
/* oklch */ color: oklch(48.1% 0.178 273.5);

Tailwind

colors: {
  custom: {
    50: '#857ed4',
    500: '#424dc0',
    950: '#000000',
  },
}

SCSS

$custom: #424dc0;
$custom-light: #857ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#424dc0",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 192
  },
  "hsl": {
    "h": 234.762,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4812,
    "c": 0.17818,
    "h": 273.5
  },
  "luminance": 0.10272
}

Semantic roles & 50–950 ramp

primary

#424DC0

secondary

#CBC693

accent

#CD4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424DC0

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

Preview Lab → · Contrast checker → · Palette generator →