#405AD3#405AD3

#405AD3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.188 H 269.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#405AD3
RGB	rgb(64, 90, 211)
HSL	hsl(229, 63%, 54%)
HSV	hsv(229, 70%, 83%)
CMYK	cmyk(69.7%, 57.3%, 0%, 17.3%)
CIE-LAB	lab(42.92, 30.62, -65.27)
CIE-LCH	lch(42.92, 72.09, 295.13°)
OKLab	oklab(51.96% -0.0016 -0.1881)
OKLCH	oklch(51.96% 0.188 269.5)
XYZ	xyz(17.5244, 13.1037, 63.2211)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AD3 #D3B940

analogous

#40A4D3 #405AD3 #7040D3

triadic

#405AD3 #D3405A #5AD340

tetradic

#405AD3 #D340A4 #D3B940 #40D370

square

#405AD3 #D340A4 #D3B940 #40D370

split-complementary

#405AD3 #D37040 #A4D340

monochromatic

#1D2D7C #2840AE #405AD3 #7285DE #A3B0EA

Accessibility & contrast

On white

5.80

#405AD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#405AD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AD3

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AD3	#FFFFFF	#000000	##FFFFFF
##405AD3	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)

#006CD7

Deuteranopia (green-blind)

#005FD1

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405ad3;
/* rgb */ color: rgb(64, 90, 211);
/* oklch */ color: oklch(52.0% 0.188 269.5);

Tailwind

colors: {
  custom: {
    50: '#8788e1',
    500: '#405ad3',
    950: '#000000',
  },
}

SCSS

$custom: #405ad3;
$custom-light: #8788e1;
$custom-dark: #000000;

JSON

{
  "hex": "#405ad3",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 211
  },
  "hsl": {
    "h": 229.388,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51964,
    "c": 0.18811,
    "h": 269.5
  },
  "luminance": 0.13105
}

Semantic roles & 50–950 ramp

primary

#405AD3

secondary

#D7CC98

accent

#C942E6

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #405AD3

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

Preview Lab → · Contrast checker → · Palette generator →