#405DC8#405DC8

#405DC8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.170 H 268.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#405DC8
RGB	rgb(64, 93, 200)
HSL	hsl(227, 55%, 52%)
HSV	hsv(227, 68%, 78%)
CMYK	cmyk(68%, 53.5%, 0%, 21.6%)
CIE-LAB	lab(42.89, 24.79, -58.98)
CIE-LCH	lch(42.89, 63.97, 292.80°)
OKLab	oklab(51.69% -0.0046 -0.1696)
OKLCH	oklch(51.69% 0.17 268.4)
XYZ	xyz(16.4504, 13.0872, 56.2915)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DC8 #C8AB40

analogous

#40A1C8 #405DC8 #6740C8

triadic

#405DC8 #C8405D #5DC840

tetradic

#405DC8 #C840A1 #C8AB40 #40C867

square

#405DC8 #C840A1 #C8AB40 #40C867

split-complementary

#405DC8 #C86740 #A1C840

monochromatic

#20306E #2D459D #405DC8 #7085D6 #9FAEE3

Accessibility & contrast

On white

5.80

#405DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#405DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DC8

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DC8	#FFFFFF	#000000	##FFFFFF
##405DC8	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6CCC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405dc8;
/* rgb */ color: rgb(64, 93, 200);
/* oklch */ color: oklch(51.7% 0.170 268.4);

Tailwind

colors: {
  custom: {
    50: '#848ad9',
    500: '#405dc8',
    950: '#000000',
  },
}

SCSS

$custom: #405dc8;
$custom-light: #848ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#405dc8",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 200
  },
  "hsl": {
    "h": 227.206,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51693,
    "c": 0.16962,
    "h": 268.4
  },
  "luminance": 0.13089
}

Semantic roles & 50–950 ramp

primary

#405DC8

secondary

#D0C394

accent

#BF49DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DC8

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

Preview Lab → · Contrast checker → · Palette generator →