#424DA8#424DA8

#424DA8 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.145 H 274.1°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#424DA8
RGB	rgb(66, 77, 168)
HSL	hsl(234, 44%, 46%)
HSV	hsv(234, 61%, 66%)
CMYK	cmyk(60.7%, 54.2%, 0%, 34.1%)
CIE-LAB	lab(36.54, 24.13, -50.47)
CIE-LCH	lch(36.54, 55.94, 295.55°)
OKLab	oklab(46.23% 0.0103 -0.1447)
OKLCH	oklch(46.23% 0.145 274.1)
XYZ	xyz(11.9662, 9.2922, 38.2012)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DA8 #A89D42

analogous

#4280A8 #424DA8 #6A42A8

triadic

#424DA8 #A8424D #4DA842

tetradic

#424DA8 #A84280 #A89D42 #42A86A

square

#424DA8 #A84280 #A89D42 #42A86A

split-complementary

#424DA8 #A86A42 #80A842

monochromatic

#1F2550 #31397C #424DA8 #656FC2 #9198D4

Accessibility & contrast

On white

7.35

#424DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#424DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DA8

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DA8	#FFFFFF	#000000	##FFFFFF
##424DA8	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125BAB

Deuteranopia (green-blind)

#0052A6

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424da8;
/* rgb */ color: rgb(66, 77, 168);
/* oklch */ color: oklch(46.2% 0.145 274.1);

Tailwind

colors: {
  custom: {
    50: '#807ec2',
    500: '#424da8',
    950: '#000000',
  },
}

SCSS

$custom: #424da8;
$custom-light: #807ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#424da8",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 168
  },
  "hsl": {
    "h": 233.529,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46229,
    "c": 0.14507,
    "h": 274.1
  },
  "luminance": 0.09293
}

Semantic roles & 50–950 ramp

primary

#424DA8

secondary

#BFB987

accent

#C654D3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424DA8

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

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