#405AD4#405AD4

#405AD4 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.189 H 269.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#405AD4
RGB	rgb(64, 90, 212)
HSL	hsl(229, 63%, 54%)
HSV	hsv(229, 70%, 83%)
CMYK	cmyk(69.8%, 57.5%, 0%, 16.9%)
CIE-LAB	lab(42.99, 30.97, -65.72)
CIE-LCH	lch(42.99, 72.65, 295.23°)
OKLab	oklab(52.04% -0.0016 -0.1894)
OKLCH	oklch(52.04% 0.189 269.5)
XYZ	xyz(17.6501, 13.1540, 63.8834)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AD4 #D4BA40

analogous

#40A4D4 #405AD4 #7040D4

triadic

#405AD4 #D4405A #5AD440

tetradic

#405AD4 #D440A4 #D4BA40 #40D470

square

#405AD4 #D440A4 #D4BA40 #40D470

split-complementary

#405AD4 #D47040 #A4D440

monochromatic

#1C2D7D #273FAF #405AD4 #7285DF #A4B0EA

Accessibility & contrast

On white

5.78

#405AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#405AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AD4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AD4	#FFFFFF	#000000	##FFFFFF
##405AD4	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD8

Deuteranopia (green-blind)

#005FD2

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405ad4;
/* rgb */ color: rgb(64, 90, 212);
/* oklch */ color: oklch(52.0% 0.189 269.5);

Tailwind

colors: {
  custom: {
    50: '#8788e2',
    500: '#405ad4',
    950: '#000000',
  },
}

SCSS

$custom: #405ad4;
$custom-light: #8788e2;
$custom-dark: #000000;

JSON

{
  "hex": "#405ad4",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 212
  },
  "hsl": {
    "h": 229.459,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52044,
    "c": 0.18944,
    "h": 269.5
  },
  "luminance": 0.13156
}

Semantic roles & 50–950 ramp

primary

#405AD4

secondary

#D7CC98

accent

#C942E6

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #405AD4

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

Preview Lab → · Contrast checker → · Palette generator →