#424DA5#424DA5

#424DA5 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.141 H 274.1°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#424DA5
RGB	rgb(66, 77, 165)
HSL	hsl(233, 43%, 45%)
HSV	hsv(233, 60%, 65%)
CMYK	cmyk(60%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(36.33, 23.09, -49.02)
CIE-LCH	lch(36.33, 54.18, 295.22°)
OKLab	oklab(46.01% 0.0101 -0.1404)
OKLCH	oklch(46.01% 0.141 274.1)
XYZ	xyz(11.6900, 9.1817, 36.7462)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DA5 #A59A42

analogous

#427FA5 #424DA5 #6842A5

triadic

#424DA5 #A5424D #4DA542

tetradic

#424DA5 #A5427F #A59A42 #42A568

square

#424DA5 #A5427F #A59A42 #42A568

split-complementary

#424DA5 #A56842 #7FA542

monochromatic

#1F244E #313979 #424DA5 #636EC1 #8F97D2

Accessibility & contrast

On white

7.40

#424DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#424DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DA5

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DA5	#FFFFFF	#000000	##FFFFFF
##424DA5	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185AA8

Deuteranopia (green-blind)

#0051A3

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424da5;
/* rgb */ color: rgb(66, 77, 165);
/* oklch */ color: oklch(46.0% 0.141 274.1);

Tailwind

colors: {
  custom: {
    50: '#807ec0',
    500: '#424da5',
    950: '#000000',
  },
}

SCSS

$custom: #424da5;
$custom-light: #807ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#424da5",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 233.333,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46006,
    "c": 0.14079,
    "h": 274.1
  },
  "luminance": 0.09183
}

Semantic roles & 50–950 ramp

primary

#424DA5

secondary

#BDB785

accent

#C555D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424DA5

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

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