#404CAF#404CAF

#404CAF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.157 H 273.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#404CAF
RGB	rgb(64, 76, 175)
HSL	hsl(234, 46%, 47%)
HSV	hsv(234, 63%, 69%)
CMYK	cmyk(63.4%, 56.6%, 0%, 31.4%)
CIE-LAB	lab(36.66, 26.86, -54.45)
CIE-LCH	lch(36.66, 60.72, 296.25°)
OKLab	oklab(46.44% 0.0094 -0.1565)
OKLCH	oklch(46.44% 0.157 273.4)
XYZ	xyz(12.4341, 9.3530, 41.6992)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CAF #AFA340

analogous

#4083AF #404CAF #6C40AF

triadic

#404CAF #AF404C #4CAF40

tetradic

#404CAF #AF4083 #AFA340 #40AF6C

square

#404CAF #AF4083 #AFA340 #40AF6C

split-complementary

#404CAF #AF6C40 #83AF40

monochromatic

#1F2555 #303982 #404CAF #6570C7 #929AD7

Accessibility & contrast

On white

7.32

#404CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#404CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404CAF

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CAF	#FFFFFF	#000000	##FFFFFF
##404CAF	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB2

Deuteranopia (green-blind)

#0051AD

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404caf;
/* rgb */ color: rgb(64, 76, 175);
/* oklch */ color: oklch(46.4% 0.157 273.4);

Tailwind

colors: {
  custom: {
    50: '#817dc8',
    500: '#404caf',
    950: '#000000',
  },
}

SCSS

$custom: #404caf;
$custom-light: #817dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#404caf",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 175
  },
  "hsl": {
    "h": 233.514,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46441,
    "c": 0.15676,
    "h": 273.4
  },
  "luminance": 0.09354
}

Semantic roles & 50–950 ramp

primary

#404CAF

secondary

#C3BC88

accent

#C852D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404CAF

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

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