#405FC4#405FC4

#405FC4 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.8% C 0.162 H 267.6°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#405FC4
RGB	rgb(64, 95, 196)
HSL	hsl(226, 53%, 51%)
HSV	hsv(226, 67%, 77%)
CMYK	cmyk(67.3%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(43.15, 22.08, -56.25)
CIE-LCH	lch(43.15, 60.43, 291.43°)
OKLab	oklab(51.8% -0.0067 -0.1615)
OKLCH	oklch(51.8% 0.162 267.6)
XYZ	xyz(16.1669, 13.2584, 53.9210)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC4 #C4A540

analogous

#40A1C4 #405FC4 #6340C4

triadic

#405FC4 #C4405F #5FC440

tetradic

#405FC4 #C440A1 #C4A540 #40C463

square

#405FC4 #C440A1 #C4A540 #40C463

split-complementary

#405FC4 #C46340 #A1C440

monochromatic

#203269 #2F4898 #405FC4 #6F86D2 #9EADE1

Accessibility & contrast

On white

5.75

#405FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#405FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC4

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC4	#FFFFFF	#000000	##FFFFFF
##405FC4	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216CC8

Deuteranopia (green-blind)

#0060C2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405fc4;
/* rgb */ color: rgb(64, 95, 196);
/* oklch */ color: oklch(51.8% 0.162 267.6);

Tailwind

colors: {
  custom: {
    50: '#838cd6',
    500: '#405fc4',
    950: '#000000',
  },
}

SCSS

$custom: #405fc4;
$custom-light: #838cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc4",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 225.909,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51799,
    "c": 0.16165,
    "h": 267.6
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#405FC4

secondary

#CDBF93

accent

#BA4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #405FC4

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

Preview Lab → · Contrast checker → · Palette generator →