#404DAB#404DAB

#404DAB is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.3% C 0.150 H 273.2°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#404DAB
RGB	rgb(64, 77, 171)
HSL	hsl(233, 46%, 46%)
HSV	hsv(233, 63%, 67%)
CMYK	cmyk(62.6%, 55%, 0%, 32.9%)
CIE-LAB	lab(36.63, 24.81, -52.13)
CIE-LCH	lch(36.63, 57.73, 295.45°)
OKLab	oklab(46.33% 0.0083 -0.1496)
OKLCH	oklch(46.33% 0.15 273.2)
XYZ	xyz(12.1165, 9.3370, 39.6839)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DAB #AB9E40

analogous

#4082AB #404DAB #6840AB

triadic

#404DAB #AB404D #4DAB40

tetradic

#404DAB #AB4082 #AB9E40 #40AB68

square

#404DAB #AB4082 #AB9E40 #40AB68

split-complementary

#404DAB #AB6840 #82AB40

monochromatic

#1F2552 #2F397E #404DAB #636FC5 #9098D5

Accessibility & contrast

On white

7.32

#404DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#404DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DAB

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DAB	#FFFFFF	#000000	##FFFFFF
##404DAB	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)

#085BAE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404dab;
/* rgb */ color: rgb(64, 77, 171);
/* oklch */ color: oklch(46.3% 0.150 273.2);

Tailwind

colors: {
  custom: {
    50: '#807ec5',
    500: '#404dab',
    950: '#000000',
  },
}

SCSS

$custom: #404dab;
$custom-light: #807ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#404dab",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 232.71,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46326,
    "c": 0.14985,
    "h": 273.2
  },
  "luminance": 0.09338
}

Semantic roles & 50–950 ramp

primary

#404DAB

secondary

#C1B986

accent

#C553D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404DAB

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

Preview Lab → · Contrast checker → · Palette generator →