#405ED5#405ED5

#405ED5 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.9% C 0.186 H 268.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#405ED5
RGB	rgb(64, 94, 213)
HSL	hsl(228, 64%, 54%)
HSV	hsv(228, 70%, 84%)
CMYK	cmyk(70%, 55.9%, 0%, 16.5%)
CIE-LAB	lab(44.09, 28.79, -64.52)
CIE-LCH	lch(44.09, 70.65, 294.05°)
OKLab	oklab(52.88% -0.0047 -0.1858)
OKLCH	oklch(52.88% 0.186 268.5)
XYZ	xyz(18.1232, 13.8977, 64.6653)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ED5 #D5B740

analogous

#40A9D5 #405ED5 #6C40D5

triadic

#405ED5 #D5405E #5ED540

tetradic

#405ED5 #D540A9 #D5B740 #40D56C

square

#405ED5 #D540A9 #D5B740 #40D56C

split-complementary

#405ED5 #D56C40 #A9D540

monochromatic

#1C307F #2743B1 #405ED5 #7288E0 #A4B3EB

Accessibility & contrast

On white

5.56

#405ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#405ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ED5

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ED5	#FFFFFF	#000000	##FFFFFF
##405ED5	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#0062D3

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405ed5;
/* rgb */ color: rgb(64, 94, 213);
/* oklch */ color: oklch(52.9% 0.186 268.5);

Tailwind

colors: {
  custom: {
    50: '#878be3',
    500: '#405ed5',
    950: '#000000',
  },
}

SCSS

$custom: #405ed5;
$custom-light: #878be3;
$custom-dark: #000000;

JSON

{
  "hex": "#405ed5",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 213
  },
  "hsl": {
    "h": 227.919,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52884,
    "c": 0.1859,
    "h": 268.5
  },
  "luminance": 0.13899
}

Semantic roles & 50–950 ramp

primary

#405ED5

secondary

#D8CB99

accent

#C641E7

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #405ED5

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

Preview Lab → · Contrast checker → · Palette generator →