#424CA8#424CA8

#424CA8 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.146 H 274.5°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#424CA8
RGB	rgb(66, 76, 168)
HSL	hsl(234, 44%, 46%)
HSV	hsv(234, 61%, 66%)
CMYK	cmyk(60.7%, 54.8%, 0%, 34.1%)
CIE-LAB	lab(36.28, 24.78, -50.90)
CIE-LCH	lch(36.28, 56.61, 295.96°)
OKLab	oklab(46.03% 0.0114 -0.146)
OKLCH	oklch(46.03% 0.146 274.5)
XYZ	xyz(11.8968, 9.1534, 38.1780)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CA8 #A89E42

analogous

#427FA8 #424CA8 #6B42A8

triadic

#424CA8 #A8424C #4CA842

tetradic

#424CA8 #A8427F #A89E42 #42A86B

square

#424CA8 #A8427F #A89E42 #42A86B

split-complementary

#424CA8 #A86B42 #7FA842

monochromatic

#1F2450 #31387C #424CA8 #656EC2 #9197D4

Accessibility & contrast

On white

7.42

#424CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#424CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CA8

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CA8	#FFFFFF	#000000	##FFFFFF
##424CA8	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D5AAB

Deuteranopia (green-blind)

#0051A6

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424ca8;
/* rgb */ color: rgb(66, 76, 168);
/* oklch */ color: oklch(46.0% 0.146 274.5);

Tailwind

colors: {
  custom: {
    50: '#807dc2',
    500: '#424ca8',
    950: '#000000',
  },
}

SCSS

$custom: #424ca8;
$custom-light: #807dc2;
$custom-dark: #000000;

JSON

{
  "hex": "#424ca8",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 168
  },
  "hsl": {
    "h": 234.118,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46032,
    "c": 0.1464,
    "h": 274.5
  },
  "luminance": 0.09154
}

Semantic roles & 50–950 ramp

primary

#424CA8

secondary

#BFB987

accent

#C754D3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424CA8

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

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