#424AC0#424AC0

#424AC0 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.6% C 0.182 H 274.2°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#424AC0
RGB	rgb(66, 74, 192)
HSL	hsl(236, 50%, 51%)
HSV	hsv(236, 66%, 75%)
CMYK	cmyk(65.6%, 61.5%, 0%, 24.7%)
CIE-LAB	lab(37.59, 34.36, -62.94)
CIE-LCH	lch(37.59, 71.71, 298.63°)
OKLab	oklab(47.58% 0.0133 -0.1814)
OKLCH	oklch(47.58% 0.182 274.2)
XYZ	xyz(14.2068, 9.8603, 51.0135)
Luminance	0.0986 (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

#424AC0 #C0B842

analogous

#4289C0 #424AC0 #7942C0

triadic

#424AC0 #C0424A #4AC042

tetradic

#424AC0 #C04289 #C0B842 #42C079

square

#424AC0 #C04289 #C0B842 #42C079

split-complementary

#424AC0 #C07942 #89C042

monochromatic

#222666 #313794 #424AC0 #7076CF #9EA2DF

Accessibility & contrast

On white

7.06

#424AC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#424AC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AC0

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC0	#FFFFFF	#000000	##FFFFFF
##424AC0	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC4

Deuteranopia (green-blind)

#0053BE

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424ac0;
/* rgb */ color: rgb(66, 74, 192);
/* oklch */ color: oklch(47.6% 0.182 274.2);

Tailwind

colors: {
  custom: {
    50: '#857cd4',
    500: '#424ac0',
    950: '#000000',
  },
}

SCSS

$custom: #424ac0;
$custom-light: #857cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac0",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 192
  },
  "hsl": {
    "h": 236.19,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47579,
    "c": 0.18187,
    "h": 274.2
  },
  "luminance": 0.09862
}

Semantic roles & 50–950 ramp

primary

#424AC0

secondary

#CBC793

accent

#D14EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424AC0

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

Preview Lab → · Contrast checker → · Palette generator →