#424EA6#424EA6

#424EA6 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.141 H 273.7°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#424EA6
RGB	rgb(66, 78, 166)
HSL	hsl(233, 43%, 45%)
HSV	hsv(233, 60%, 65%)
CMYK	cmyk(60.2%, 53%, 0%, 34.9%)
CIE-LAB	lab(36.67, 22.78, -49.07)
CIE-LCH	lch(36.67, 54.11, 294.90°)
OKLab	oklab(46.28% 0.0092 -0.1406)
OKLCH	oklch(46.28% 0.141 273.7)
XYZ	xyz(11.8518, 9.3593, 37.2510)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EA6 #A69A42

analogous

#4280A6 #424EA6 #6842A6

triadic

#424EA6 #A6424E #4EA642

tetradic

#424EA6 #A64280 #A69A42 #42A668

square

#424EA6 #A64280 #A69A42 #42A668

split-complementary

#424EA6 #A66842 #80A642

monochromatic

#1F254E #31397A #424EA6 #646FC1 #9098D3

Accessibility & contrast

On white

7.31

#424EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#424EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424EA6

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EA6	#FFFFFF	#000000	##FFFFFF
##424EA6	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5BA9

Deuteranopia (green-blind)

#0052A4

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424ea6;
/* rgb */ color: rgb(66, 78, 166);
/* oklch */ color: oklch(46.3% 0.141 273.7);

Tailwind

colors: {
  custom: {
    50: '#807fc1',
    500: '#424ea6',
    950: '#000000',
  },
}

SCSS

$custom: #424ea6;
$custom-light: #807fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#424ea6",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 166
  },
  "hsl": {
    "h": 232.8,
    "s": 43.103,
    "l": 45.49
  },
  "oklch": {
    "l": 0.4628,
    "c": 0.14087,
    "h": 273.7
  },
  "luminance": 0.0936
}

Semantic roles & 50–950 ramp

primary

#424EA6

secondary

#BEB786

accent

#C455D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424EA6

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

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