#405EC5#405EC5

#405EC5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.164 H 268.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#405EC5
RGB	rgb(64, 94, 197)
HSL	hsl(226, 53%, 51%)
HSV	hsv(226, 68%, 77%)
CMYK	cmyk(67.5%, 52.3%, 0%, 22.7%)
CIE-LAB	lab(42.95, 23.08, -57.15)
CIE-LCH	lch(42.95, 61.63, 291.99°)
OKLab	oklab(51.67% -0.0058 -0.1642)
OKLCH	oklch(51.67% 0.164 268)
XYZ	xyz(16.1916, 13.1251, 54.4926)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC5 #C5A740

analogous

#40A0C5 #405EC5 #6440C5

triadic

#405EC5 #C5405E #5EC540

tetradic

#405EC5 #C540A0 #C5A740 #40C564

square

#405EC5 #C540A0 #C5A740 #40C564

split-complementary

#405EC5 #C56440 #A0C540

monochromatic

#20316A #2F4799 #405EC5 #6F86D3 #9EADE2

Accessibility & contrast

On white

5.79

#405EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#405EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC5

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC5	#FFFFFF	#000000	##FFFFFF
##405EC5	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6CC9

Deuteranopia (green-blind)

#0060C3

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405ec5;
/* rgb */ color: rgb(64, 94, 197);
/* oklch */ color: oklch(51.7% 0.164 268.0);

Tailwind

colors: {
  custom: {
    50: '#848bd7',
    500: '#405ec5',
    950: '#000000',
  },
}

SCSS

$custom: #405ec5;
$custom-light: #848bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec5",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 197
  },
  "hsl": {
    "h": 226.466,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5167,
    "c": 0.16427,
    "h": 268
  },
  "luminance": 0.13127
}

Semantic roles & 50–950 ramp

primary

#405EC5

secondary

#CEC193

accent

#BC4BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EC5

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

Preview Lab → · Contrast checker → · Palette generator →