#424DB3#424DB3

#424DB3 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.160 H 273.9°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#424DB3
RGB	rgb(66, 77, 179)
HSL	hsl(234, 46%, 48%)
HSV	hsv(234, 63%, 70%)
CMYK	cmyk(63.1%, 57%, 0%, 29.8%)
CIE-LAB	lab(37.33, 27.95, -55.72)
CIE-LCH	lch(37.33, 62.33, 296.64°)
OKLab	oklab(47.07% 0.0108 -0.1601)
OKLCH	oklch(47.07% 0.16 273.9)
XYZ	xyz(13.0346, 9.7196, 43.8283)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DB3 #B3A842

analogous

#4285B3 #424DB3 #6F42B3

triadic

#424DB3 #B3424D #4DB342

tetradic

#424DB3 #B34285 #B3A842 #42B36F

square

#424DB3 #B34285 #B3A842 #42B36F

split-complementary

#424DB3 #B36F42 #85B342

monochromatic

#21275A #323A86 #424DB3 #6A73C8 #979DD9

Accessibility & contrast

On white

7.13

#424DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#424DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DB3

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DB3	#FFFFFF	#000000	##FFFFFF
##424DB3	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424db3;
/* rgb */ color: rgb(66, 77, 179);
/* oklch */ color: oklch(47.1% 0.160 273.9);

Tailwind

colors: {
  custom: {
    50: '#827eca',
    500: '#424db3',
    950: '#000000',
  },
}

SCSS

$custom: #424db3;
$custom-light: #827eca;
$custom-dark: #000000;

JSON

{
  "hex": "#424db3",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 234.159,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47074,
    "c": 0.16048,
    "h": 273.9
  },
  "luminance": 0.09721
}

Semantic roles & 50–950 ramp

primary

#424DB3

secondary

#C4BF8C

accent

#C952D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #424DB3

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

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