#404DA8#404DA8

#404DA8 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.146 H 273.2°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#404DA8
RGB	rgb(64, 77, 168)
HSL	hsl(233, 45%, 45%)
HSV	hsv(233, 62%, 66%)
CMYK	cmyk(61.9%, 54.2%, 0%, 34.1%)
CIE-LAB	lab(36.41, 23.76, -50.69)
CIE-LCH	lch(36.41, 55.98, 295.11°)
OKLab	oklab(46.1% 0.0081 -0.1454)
OKLCH	oklch(46.1% 0.146 273.2)
XYZ	xyz(11.8338, 9.2239, 38.1950)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA8 #A89B40

analogous

#4081A8 #404DA8 #6740A8

triadic

#404DA8 #A8404D #4DA840

tetradic

#404DA8 #A84081 #A89B40 #40A867

square

#404DA8 #A84081 #A89B40 #40A867

split-complementary

#404DA8 #A86740 #81A840

monochromatic

#1E244F #2F397C #404DA8 #626EC3 #8E97D4

Accessibility & contrast

On white

7.38

#404DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#404DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA8

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA8	#FFFFFF	#000000	##FFFFFF
##404DA8	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115AAB

Deuteranopia (green-blind)

#0051A6

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404da8;
/* rgb */ color: rgb(64, 77, 168);
/* oklch */ color: oklch(46.1% 0.146 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ec2',
    500: '#404da8',
    950: '#000000',
  },
}

SCSS

$custom: #404da8;
$custom-light: #7f7ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#404da8",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 168
  },
  "hsl": {
    "h": 232.5,
    "s": 44.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46099,
    "c": 0.14561,
    "h": 273.2
  },
  "luminance": 0.09225
}

Semantic roles & 50–950 ramp

primary

#404DA8

secondary

#BFB885

accent

#C453D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA8

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

Preview Lab → · Contrast checker → · Palette generator →