#405ED4#405ED4

#405ED4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.185 H 268.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#405ED4
RGB	rgb(64, 94, 212)
HSL	hsl(228, 63%, 54%)
HSV	hsv(228, 70%, 83%)
CMYK	cmyk(69.8%, 55.7%, 0%, 16.9%)
CIE-LAB	lab(44.01, 28.44, -64.06)
CIE-LCH	lch(44.01, 70.09, 293.94°)
OKLab	oklab(52.81% -0.0048 -0.1845)
OKLCH	oklch(52.81% 0.185 268.5)
XYZ	xyz(17.9966, 13.8471, 63.9989)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ED4 #D4B640

analogous

#40A8D4 #405ED4 #6C40D4

triadic

#405ED4 #D4405E #5ED440

tetradic

#405ED4 #D440A8 #D4B640 #40D46C

square

#405ED4 #D440A8 #D4B640 #40D46C

split-complementary

#405ED4 #D46C40 #A8D440

monochromatic

#1C307D #2743AF #405ED4 #7288DF #A4B2EA

Accessibility & contrast

On white

5.57

#405ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#405ED4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ED4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ED4	#FFFFFF	#000000	##FFFFFF
##405ED4	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD8

Deuteranopia (green-blind)

#0062D2

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405ed4;
/* rgb */ color: rgb(64, 94, 212);
/* oklch */ color: oklch(52.8% 0.185 268.5);

Tailwind

colors: {
  custom: {
    50: '#878be2',
    500: '#405ed4',
    950: '#000000',
  },
}

SCSS

$custom: #405ed4;
$custom-light: #878be2;
$custom-dark: #000000;

JSON

{
  "hex": "#405ed4",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 212
  },
  "hsl": {
    "h": 227.838,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52806,
    "c": 0.18457,
    "h": 268.5
  },
  "luminance": 0.13849
}

Semantic roles & 50–950 ramp

primary

#405ED4

secondary

#D7CB98

accent

#C542E6

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #405ED4

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

Preview Lab → · Contrast checker → · Palette generator →