#405CD4#405CD4

#405CD4 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.187 H 269.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#405CD4
RGB	rgb(64, 92, 212)
HSL	hsl(229, 63%, 54%)
HSV	hsv(229, 70%, 83%)
CMYK	cmyk(69.8%, 56.6%, 0%, 16.9%)
CIE-LAB	lab(43.50, 29.71, -64.89)
CIE-LCH	lch(43.50, 71.37, 294.60°)
OKLab	oklab(52.42% -0.0032 -0.187)
OKLCH	oklch(52.42% 0.187 269)
XYZ	xyz(17.8211, 13.4960, 63.9404)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CD4 #D4B840

analogous

#40A6D4 #405CD4 #6E40D4

triadic

#405CD4 #D4405C #5CD440

tetradic

#405CD4 #D440A6 #D4B840 #40D46E

square

#405CD4 #D440A6 #D4B840 #40D46E

split-complementary

#405CD4 #D46E40 #A6D440

monochromatic

#1C2F7D #2741AF #405CD4 #7287DF #A4B1EA

Accessibility & contrast

On white

5.68

#405CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#405CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CD4

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CD4	#FFFFFF	#000000	##FFFFFF
##405CD4	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED8

Deuteranopia (green-blind)

#0060D2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405cd4;
/* rgb */ color: rgb(64, 92, 212);
/* oklch */ color: oklch(52.4% 0.187 269.0);

Tailwind

colors: {
  custom: {
    50: '#8789e2',
    500: '#405cd4',
    950: '#000000',
  },
}

SCSS

$custom: #405cd4;
$custom-light: #8789e2;
$custom-dark: #000000;

JSON

{
  "hex": "#405cd4",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 212
  },
  "hsl": {
    "h": 228.649,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52422,
    "c": 0.18701,
    "h": 269
  },
  "luminance": 0.13498
}

Semantic roles & 50–950 ramp

primary

#405CD4

secondary

#D7CB98

accent

#C742E6

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #405CD4

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

Preview Lab → · Contrast checker → · Palette generator →