#404DA9#404DA9

#404DA9 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.147 H 273.2°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#404DA9
RGB	rgb(64, 77, 169)
HSL	hsl(233, 45%, 46%)
HSV	hsv(233, 62%, 66%)
CMYK	cmyk(62.1%, 54.4%, 0%, 33.7%)
CIE-LAB	lab(36.48, 24.11, -51.17)
CIE-LCH	lch(36.48, 56.56, 295.23°)
OKLab	oklab(46.17% 0.0082 -0.1468)
OKLCH	oklch(46.17% 0.147 273.2)
XYZ	xyz(11.9273, 9.2613, 38.6875)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA9 #A99C40

analogous

#4081A9 #404DA9 #6740A9

triadic

#404DA9 #A9404D #4DA940

tetradic

#404DA9 #A94081 #A99C40 #40A967

square

#404DA9 #A94081 #A99C40 #40A967

split-complementary

#404DA9 #A96740 #81A940

monochromatic

#1E2550 #2F397D #404DA9 #626FC4 #8F97D5

Accessibility & contrast

On white

7.36

#404DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#404DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA9

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA9	#FFFFFF	#000000	##FFFFFF
##404DA9	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5BAC

Deuteranopia (green-blind)

#0051A7

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404da9;
/* rgb */ color: rgb(64, 77, 169);
/* oklch */ color: oklch(46.2% 0.147 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ec3',
    500: '#404da9',
    950: '#000000',
  },
}

SCSS

$custom: #404da9;
$custom-light: #7f7ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#404da9",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 169
  },
  "hsl": {
    "h": 232.571,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46174,
    "c": 0.14703,
    "h": 273.2
  },
  "luminance": 0.09262
}

Semantic roles & 50–950 ramp

primary

#404DA9

secondary

#C0B885

accent

#C553D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404DA9

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

Preview Lab → · Contrast checker → · Palette generator →