#405FC7#405FC7

#405FC7 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.166 H 267.8°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#405FC7
RGB	rgb(64, 95, 199)
HSL	hsl(226, 55%, 52%)
HSV	hsv(226, 68%, 78%)
CMYK	cmyk(67.8%, 52.3%, 0%, 22%)
CIE-LAB	lab(43.35, 23.15, -57.65)
CIE-LCH	lch(43.35, 62.13, 291.88°)
OKLab	oklab(52.02% -0.0065 -0.1656)
OKLCH	oklch(52.02% 0.166 267.8)
XYZ	xyz(16.5118, 13.3963, 55.7373)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC7 #C7A840

analogous

#40A3C7 #405FC7 #6540C7

triadic

#405FC7 #C7405F #5FC740

tetradic

#405FC7 #C740A3 #C7A840 #40C765

square

#405FC7 #C740A3 #C7A840 #40C765

split-complementary

#405FC7 #C76540 #A3C740

monochromatic

#20326D #2E479C #405FC7 #6F87D5 #9FAEE3

Accessibility & contrast

On white

5.71

#405FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#405FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC7

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC7	#FFFFFF	#000000	##FFFFFF
##405FC7	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6DCB

Deuteranopia (green-blind)

#0061C5

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405fc7;
/* rgb */ color: rgb(64, 95, 199);
/* oklch */ color: oklch(52.0% 0.166 267.8);

Tailwind

colors: {
  custom: {
    50: '#848cd9',
    500: '#405fc7',
    950: '#000000',
  },
}

SCSS

$custom: #405fc7;
$custom-light: #848cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc7",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 226.222,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52018,
    "c": 0.16577,
    "h": 267.8
  },
  "luminance": 0.13398
}

Semantic roles & 50–950 ramp

primary

#405FC7

secondary

#CFC194

accent

#BC4ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #405FC7

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

Preview Lab → · Contrast checker → · Palette generator →