#424CBF#424CBF

#424CBF is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.9% C 0.178 H 273.8°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#424CBF
RGB	rgb(66, 76, 191)
HSL	hsl(235, 49%, 50%)
HSV	hsv(235, 65%, 75%)
CMYK	cmyk(65.4%, 60.2%, 0%, 25.1%)
CIE-LAB	lab(38.00, 32.76, -61.69)
CIE-LCH	lch(38.00, 69.84, 297.97°)
OKLab	oklab(47.86% 0.0117 -0.1777)
OKLCH	oklch(47.86% 0.178 273.8)
XYZ	xyz(14.2321, 10.0875, 50.4772)
Luminance	0.1009 (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

#424CBF #BFB542

analogous

#428ABF #424CBF #7642BF

triadic

#424CBF #BF424C #4CBF42

tetradic

#424CBF #BF428A #BFB542 #42BF76

square

#424CBF #BF428A #BFB542 #42BF76

split-complementary

#424CBF #BF7642 #8ABF42

monochromatic

#222765 #323992 #424CBF #7077CE #9DA3DE

Accessibility & contrast

On white

6.96

#424CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#424CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CBF

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CBF	#FFFFFF	#000000	##FFFFFF
##424CBF	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC3

Deuteranopia (green-blind)

#0054BD

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424cbf;
/* rgb */ color: rgb(66, 76, 191);
/* oklch */ color: oklch(47.9% 0.178 273.8);

Tailwind

colors: {
  custom: {
    50: '#857ed3',
    500: '#424cbf',
    950: '#000000',
  },
}

SCSS

$custom: #424cbf;
$custom-light: #857ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#424cbf",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 191
  },
  "hsl": {
    "h": 235.2,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47856,
    "c": 0.17807,
    "h": 273.8
  },
  "luminance": 0.10089
}

Semantic roles & 50–950 ramp

primary

#424CBF

secondary

#CAC693

accent

#CE4FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #424CBF

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

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