#405DC7#405DC7

#405DC7 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.168 H 268.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#405DC7
RGB	rgb(64, 93, 199)
HSL	hsl(227, 55%, 52%)
HSV	hsv(227, 68%, 78%)
CMYK	cmyk(67.8%, 53.3%, 0%, 22%)
CIE-LAB	lab(42.82, 24.43, -58.51)
CIE-LCH	lch(42.82, 63.41, 292.66°)
OKLab	oklab(51.62% -0.0047 -0.1682)
OKLCH	oklch(51.62% 0.168 268.4)
XYZ	xyz(16.3340, 13.0406, 55.6780)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DC7 #C7AA40

analogous

#40A1C7 #405DC7 #6740C7

triadic

#405DC7 #C7405D #5DC740

tetradic

#405DC7 #C740A1 #C7AA40 #40C767

square

#405DC7 #C740A1 #C7AA40 #40C767

split-complementary

#405DC7 #C76740 #A1C740

monochromatic

#20306D #2E459C #405DC7 #6F85D5 #9FADE3

Accessibility & contrast

On white

5.82

#405DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#405DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DC7

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DC7	#FFFFFF	#000000	##FFFFFF
##405DC7	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#126CCB

Deuteranopia (green-blind)

#005FC5

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405dc7;
/* rgb */ color: rgb(64, 93, 199);
/* oklch */ color: oklch(51.6% 0.168 268.4);

Tailwind

colors: {
  custom: {
    50: '#848ad9',
    500: '#405dc7',
    950: '#000000',
  },
}

SCSS

$custom: #405dc7;
$custom-light: #848ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#405dc7",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 227.111,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51618,
    "c": 0.16826,
    "h": 268.4
  },
  "luminance": 0.13042
}

Semantic roles & 50–950 ramp

primary

#405DC7

secondary

#CFC294

accent

#BE4ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DC7

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

Preview Lab → · Contrast checker → · Palette generator →