#424BBF#424BBF

#424BBF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.7% C 0.179 H 274.0°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#424BBF
RGB	rgb(66, 75, 191)
HSL	hsl(236, 49%, 50%)
HSV	hsv(236, 65%, 75%)
CMYK	cmyk(65.4%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(37.75, 33.39, -62.09)
CIE-LCH	lch(37.75, 70.49, 298.27°)
OKLab	oklab(47.67% 0.0125 -0.1789)
OKLCH	oklch(47.67% 0.179 274)
XYZ	xyz(14.1637, 9.9508, 50.4544)
Luminance	0.0995 (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

#424BBF #BFB642

analogous

#4289BF #424BBF #7742BF

triadic

#424BBF #BF424B #4BBF42

tetradic

#424BBF #BF4289 #BFB642 #42BF77

square

#424BBF #BF4289 #BFB642 #42BF77

split-complementary

#424BBF #BF7742 #89BF42

monochromatic

#222765 #323892 #424BBF #7077CE #9DA2DE

Accessibility & contrast

On white

7.02

#424BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#424BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BBF

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BBF	#FFFFFF	#000000	##FFFFFF
##424BBF	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424bbf;
/* rgb */ color: rgb(66, 75, 191);
/* oklch */ color: oklch(47.7% 0.179 274.0);

Tailwind

colors: {
  custom: {
    50: '#857dd3',
    500: '#424bbf',
    950: '#000000',
  },
}

SCSS

$custom: #424bbf;
$custom-light: #857dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#424bbf",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 235.68,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47674,
    "c": 0.17931,
    "h": 274
  },
  "luminance": 0.09952
}

Semantic roles & 50–950 ramp

primary

#424BBF

secondary

#CAC693

accent

#CF4FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424BBF

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

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