#404AAF#404AAF

#404AAF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.159 H 274.1°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#404AAF
RGB	rgb(64, 74, 175)
HSL	hsl(235, 46%, 47%)
HSV	hsv(235, 63%, 69%)
CMYK	cmyk(63.4%, 57.7%, 0%, 31.4%)
CIE-LAB	lab(36.14, 28.15, -55.29)
CIE-LCH	lch(36.14, 62.04, 296.98°)
OKLab	oklab(46.06% 0.0113 -0.1589)
OKLCH	oklch(46.06% 0.159 274.1)
XYZ	xyz(12.2984, 9.0817, 41.6540)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AAF #AFA540

analogous

#4082AF #404AAF #6E40AF

triadic

#404AAF #AF404A #4AAF40

tetradic

#404AAF #AF4082 #AFA540 #40AF6E

square

#404AAF #AF4082 #AFA540 #40AF6E

split-complementary

#404AAF #AF6E40 #82AF40

monochromatic

#1F2455 #303782 #404AAF #656EC7 #9298D7

Accessibility & contrast

On white

7.46

#404AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#404AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AAF

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AAF	#FFFFFF	#000000	##FFFFFF
##404AAF	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB2

Deuteranopia (green-blind)

#0050AD

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404aaf;
/* rgb */ color: rgb(64, 74, 175);
/* oklch */ color: oklch(46.1% 0.159 274.1);

Tailwind

colors: {
  custom: {
    50: '#817cc8',
    500: '#404aaf',
    950: '#000000',
  },
}

SCSS

$custom: #404aaf;
$custom-light: #817cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#404aaf",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 175
  },
  "hsl": {
    "h": 234.595,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46058,
    "c": 0.15935,
    "h": 274.1
  },
  "luminance": 0.09083
}

Semantic roles & 50–950 ramp

primary

#404AAF

secondary

#C3BD88

accent

#CA52D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AAF

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

Preview Lab → · Contrast checker → · Palette generator →