#404BB2#404BB2

#404BB2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.5% C 0.162 H 273.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#404BB2
RGB	rgb(64, 75, 178)
HSL	hsl(234, 47%, 47%)
HSV	hsv(234, 64%, 70%)
CMYK	cmyk(64%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(36.62, 28.55, -56.29)
CIE-LCH	lch(36.62, 63.11, 296.90°)
OKLab	oklab(46.49% 0.0104 -0.1619)
OKLCH	oklch(46.49% 0.162 273.7)
XYZ	xyz(12.6636, 9.3354, 43.2454)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BB2 #B2A740

analogous

#4084B2 #404BB2 #6E40B2

triadic

#404BB2 #B2404B #4BB240

tetradic

#404BB2 #B24084 #B2A740 #40B26E

square

#404BB2 #B24084 #B2A740 #40B26E

split-complementary

#404BB2 #B26E40 #84B240

monochromatic

#202558 #303885 #404BB2 #6770C8 #949BD8

Accessibility & contrast

On white

7.32

#404BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#404BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BB2

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BB2	#FFFFFF	#000000	##FFFFFF
##404BB2	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)

#005BB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404bb2;
/* rgb */ color: rgb(64, 75, 178);
/* oklch */ color: oklch(46.5% 0.162 273.7);

Tailwind

colors: {
  custom: {
    50: '#817dca',
    500: '#404bb2',
    950: '#000000',
  },
}

SCSS

$custom: #404bb2;
$custom-light: #817dca;
$custom-dark: #000000;

JSON

{
  "hex": "#404bb2",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 234.211,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46487,
    "c": 0.1622,
    "h": 273.7
  },
  "luminance": 0.09336
}

Semantic roles & 50–950 ramp

primary

#404BB2

secondary

#C4BE8A

accent

#CA51D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404BB2

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

Preview Lab → · Contrast checker → · Palette generator →