#424EB6#424EB6

#424EB6 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.5% C 0.163 H 273.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#424EB6
RGB	rgb(66, 78, 182)
HSL	hsl(234, 47%, 49%)
HSV	hsv(234, 64%, 71%)
CMYK	cmyk(63.7%, 57.1%, 0%, 28.6%)
CIE-LAB	lab(37.81, 28.36, -56.71)
CIE-LCH	lch(37.81, 63.40, 296.57°)
OKLab	oklab(47.5% 0.0099 -0.163)
OKLCH	oklch(47.5% 0.163 273.5)
XYZ	xyz(13.4119, 9.9833, 45.4671)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EB6 #B6AA42

analogous

#4288B6 #424EB6 #7042B6

triadic

#424EB6 #B6424E #4EB642

tetradic

#424EB6 #B64288 #B6AA42 #42B670

square

#424EB6 #B64288 #B6AA42 #42B670

split-complementary

#424EB6 #B67042 #88B642

monochromatic

#21285C #323B89 #424EB6 #6C75CA #999FDA

Accessibility & contrast

On white

7.01

#424EB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#424EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424EB6

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EB6	#FFFFFF	#000000	##FFFFFF
##424EB6	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBA

Deuteranopia (green-blind)

#0054B4

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424eb6;
/* rgb */ color: rgb(66, 78, 182);
/* oklch */ color: oklch(47.5% 0.163 273.5);

Tailwind

colors: {
  custom: {
    50: '#837fcd',
    500: '#424eb6',
    950: '#000000',
  },
}

SCSS

$custom: #424eb6;
$custom-light: #837fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#424eb6",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 182
  },
  "hsl": {
    "h": 233.793,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47501,
    "c": 0.16333,
    "h": 273.5
  },
  "luminance": 0.09984
}

Semantic roles & 50–950 ramp

primary

#424EB6

secondary

#C6C08E

accent

#C951D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #424EB6

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

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