#424FA5#424FA5

#424FA5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.138 H 273.3°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#424FA5
RGB	rgb(66, 79, 165)
HSL	hsl(232, 43%, 45%)
HSV	hsv(232, 60%, 65%)
CMYK	cmyk(60%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(36.87, 21.78, -48.16)
CIE-LCH	lch(36.87, 52.85, 294.34°)
OKLab	oklab(46.41% 0.008 -0.1379)
OKLCH	oklch(46.41% 0.138 273.3)
XYZ	xyz(11.8320, 9.4659, 36.7936)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FA5 #A59842

analogous

#4280A5 #424FA5 #6642A5

triadic

#424FA5 #A5424F #4FA542

tetradic

#424FA5 #A54280 #A59842 #42A566

square

#424FA5 #A54280 #A59842 #42A566

split-complementary

#424FA5 #A56642 #80A542

monochromatic

#1F254E #313A79 #424FA5 #6370C1 #8F98D2

Accessibility & contrast

On white

7.26

#424FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#424FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FA5

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FA5	#FFFFFF	#000000	##FFFFFF
##424FA5	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5BA8

Deuteranopia (green-blind)

#0553A3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424fa5;
/* rgb */ color: rgb(66, 79, 165);
/* oklch */ color: oklch(46.4% 0.138 273.3);

Tailwind

colors: {
  custom: {
    50: '#8080c0',
    500: '#424fa5',
    950: '#000000',
  },
}

SCSS

$custom: #424fa5;
$custom-light: #8080c0;
$custom-dark: #000000;

JSON

{
  "hex": "#424fa5",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 232.121,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46408,
    "c": 0.13809,
    "h": 273.3
  },
  "luminance": 0.09467
}

Semantic roles & 50–950 ramp

primary

#424FA5

secondary

#BDB685

accent

#C255D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424FA5

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

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