#405AD9#405AD9

#405AD9 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.196 H 269.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#405AD9
RGB	rgb(64, 90, 217)
HSL	hsl(230, 67%, 55%)
HSV	hsv(230, 71%, 85%)
CMYK	cmyk(70.5%, 58.5%, 0%, 14.9%)
CIE-LAB	lab(43.37, 32.74, -67.96)
CIE-LCH	lch(43.37, 75.43, 295.72°)
OKLab	oklab(52.45% -0.0015 -0.196)
OKLCH	oklch(52.45% 0.196 269.5)
XYZ	xyz(18.2906, 13.4102, 67.2567)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AD9 #D9BF40

analogous

#40A6D9 #405AD9 #7340D9

triadic

#405AD9 #D9405A #5AD940

tetradic

#405AD9 #D940A6 #D9BF40 #40D973

square

#405AD9 #D940A6 #D9BF40 #40D973

split-complementary

#405AD9 #D97340 #A6D940

monochromatic

#1A2C84 #243DB7 #405AD9 #7386E3 #A6B2ED

Accessibility & contrast

On white

5.70

#405AD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#405AD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AD9

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AD9	#FFFFFF	#000000	##FFFFFF
##405AD9	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDD

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405ad9;
/* rgb */ color: rgb(64, 90, 217);
/* oklch */ color: oklch(52.4% 0.196 269.5);

Tailwind

colors: {
  custom: {
    50: '#8888e6',
    500: '#405ad9',
    950: '#000000',
  },
}

SCSS

$custom: #405ad9;
$custom-light: #8888e6;
$custom-dark: #000000;

JSON

{
  "hex": "#405ad9",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 217
  },
  "hsl": {
    "h": 229.804,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52447,
    "c": 0.19602,
    "h": 269.5
  },
  "luminance": 0.13412
}

Semantic roles & 50–950 ramp

primary

#405AD9

secondary

#DAD09A

accent

#CD3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405AD9

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

Preview Lab → · Contrast checker → · Palette generator →