#424FAC#424FAC

#424FAC is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.9% C 0.148 H 273.3°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#424FAC
RGB	rgb(66, 79, 172)
HSL	hsl(233, 45%, 47%)
HSV	hsv(233, 62%, 67%)
CMYK	cmyk(61.6%, 54.1%, 0%, 32.5%)
CIE-LAB	lab(37.35, 24.22, -51.55)
CIE-LCH	lch(37.35, 56.95, 295.17°)
OKLab	oklab(46.93% 0.0086 -0.1478)
OKLCH	oklch(46.93% 0.148 273.3)
XYZ	xyz(12.4867, 9.7278, 40.2414)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FAC #AC9F42

analogous

#4284AC #424FAC #6A42AC

triadic

#424FAC #AC424F #4FAC42

tetradic

#424FAC #AC4284 #AC9F42 #42AC6A

square

#424FAC #AC4284 #AC9F42 #42AC6A

split-complementary

#424FAC #AC6A42 #84AC42

monochromatic

#202654 #313B80 #424FAC #6772C5 #939BD6

Accessibility & contrast

On white

7.13

#424FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#424FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FAC

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FAC	#FFFFFF	#000000	##FFFFFF
##424FAC	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125DAF

Deuteranopia (green-blind)

#0053AA

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424fac;
/* rgb */ color: rgb(66, 79, 172);
/* oklch */ color: oklch(46.9% 0.148 273.3);

Tailwind

colors: {
  custom: {
    50: '#8180c5',
    500: '#424fac',
    950: '#000000',
  },
}

SCSS

$custom: #424fac;
$custom-light: #8180c5;
$custom-dark: #000000;

JSON

{
  "hex": "#424fac",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 172
  },
  "hsl": {
    "h": 232.642,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46925,
    "c": 0.14808,
    "h": 273.3
  },
  "luminance": 0.09729
}

Semantic roles & 50–950 ramp

primary

#424FAC

secondary

#C1BA89

accent

#C454D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #424FAC

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

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