#405ED9#405ED9

#405ED9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.191 H 268.6°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#405ED9
RGB	rgb(64, 94, 217)
HSL	hsl(228, 67%, 55%)
HSV	hsv(228, 71%, 85%)
CMYK	cmyk(70.5%, 56.7%, 0%, 14.9%)
CIE-LAB	lab(44.38, 30.22, -66.32)
CIE-LCH	lch(44.38, 72.88, 294.50°)
OKLab	oklab(53.2% -0.0046 -0.1911)
OKLCH	oklch(53.2% 0.191 268.6)
XYZ	xyz(18.6371, 14.1033, 67.3722)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ED9 #D9BB40

analogous

#40ABD9 #405ED9 #6E40D9

triadic

#405ED9 #D9405E #5ED940

tetradic

#405ED9 #D940AB #D9BB40 #40D96E

square

#405ED9 #D940AB #D9BB40 #40D96E

split-complementary

#405ED9 #D96E40 #ABD940

monochromatic

#1A2F84 #2441B7 #405ED9 #7389E3 #A6B4ED

Accessibility & contrast

On white

5.50

#405ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#405ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ED9

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ED9	#FFFFFF	#000000	##FFFFFF
##405ED9	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DD

Deuteranopia (green-blind)

#0062D7

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #405ed9;
/* rgb */ color: rgb(64, 94, 217);
/* oklch */ color: oklch(53.2% 0.191 268.6);

Tailwind

colors: {
  custom: {
    50: '#888be6',
    500: '#405ed9',
    950: '#000000',
  },
}

SCSS

$custom: #405ed9;
$custom-light: #888be6;
$custom-dark: #000000;

JSON

{
  "hex": "#405ed9",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 217
  },
  "hsl": {
    "h": 228.235,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53197,
    "c": 0.1912,
    "h": 268.6
  },
  "luminance": 0.14105
}

Semantic roles & 50–950 ramp

primary

#405ED9

secondary

#DACE9A

accent

#C83EEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #405ED9

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

Preview Lab → · Contrast checker → · Palette generator →