#405DC5#405DC5

#405DC5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.166 H 268.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#405DC5
RGB	rgb(64, 93, 197)
HSL	hsl(227, 53%, 51%)
HSV	hsv(227, 68%, 77%)
CMYK	cmyk(67.5%, 52.8%, 0%, 22.7%)
CIE-LAB	lab(42.69, 23.72, -57.58)
CIE-LCH	lch(42.69, 62.27, 292.39°)
OKLab	oklab(51.47% -0.0049 -0.1655)
OKLCH	oklch(51.47% 0.166 268.3)
XYZ	xyz(16.1033, 12.9484, 54.4631)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DC5 #C5A840

analogous

#409FC5 #405DC5 #6540C5

triadic

#405DC5 #C5405D #5DC540

tetradic

#405DC5 #C5409F #C5A840 #40C565

square

#405DC5 #C5409F #C5A840 #40C565

split-complementary

#405DC5 #C56540 #9FC540

monochromatic

#20306A #2F4699 #405DC5 #6F85D3 #9EADE2

Accessibility & contrast

On white

5.85

#405DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#405DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DC5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DC5	#FFFFFF	#000000	##FFFFFF
##405DC5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176BC9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405dc5;
/* rgb */ color: rgb(64, 93, 197);
/* oklch */ color: oklch(51.5% 0.166 268.3);

Tailwind

colors: {
  custom: {
    50: '#848ad7',
    500: '#405dc5',
    950: '#000000',
  },
}

SCSS

$custom: #405dc5;
$custom-light: #848ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#405dc5",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 197
  },
  "hsl": {
    "h": 226.917,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51469,
    "c": 0.16552,
    "h": 268.3
  },
  "luminance": 0.1295
}

Semantic roles & 50–950 ramp

primary

#405DC5

secondary

#CEC193

accent

#BD4BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405DC5

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

Preview Lab → · Contrast checker → · Palette generator →