#405EC4#405EC4

#405EC4 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.163 H 267.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#405EC4
RGB	rgb(64, 94, 196)
HSL	hsl(226, 53%, 51%)
HSV	hsv(226, 67%, 77%)
CMYK	cmyk(67.3%, 52%, 0%, 23.1%)
CIE-LAB	lab(42.88, 22.72, -56.68)
CIE-LCH	lch(42.88, 61.06, 291.84°)
OKLab	oklab(51.6% -0.0058 -0.1628)
OKLCH	oklch(51.6% 0.163 267.9)
XYZ	xyz(16.0774, 13.0794, 53.8911)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC4 #C4A640

analogous

#40A0C4 #405EC4 #6440C4

triadic

#405EC4 #C4405E #5EC440

tetradic

#405EC4 #C440A0 #C4A640 #40C464

square

#405EC4 #C440A0 #C4A640 #40C464

split-complementary

#405EC4 #C46440 #A0C440

monochromatic

#203169 #2F4798 #405EC4 #6F85D2 #9EADE1

Accessibility & contrast

On white

5.81

#405EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#405EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC4

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC4	#FFFFFF	#000000	##FFFFFF
##405EC4	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6CC8

Deuteranopia (green-blind)

#0060C2

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405ec4;
/* rgb */ color: rgb(64, 94, 196);
/* oklch */ color: oklch(51.6% 0.163 267.9);

Tailwind

colors: {
  custom: {
    50: '#848bd6',
    500: '#405ec4',
    950: '#000000',
  },
}

SCSS

$custom: #405ec4;
$custom-light: #848bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec4",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 226.364,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51596,
    "c": 0.16291,
    "h": 267.9
  },
  "luminance": 0.13081
}

Semantic roles & 50–950 ramp

primary

#405EC4

secondary

#CDC093

accent

#BB4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EC4

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

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