#405AD0#405AD0

#405AD0 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.184 H 269.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#405AD0
RGB	rgb(64, 90, 208)
HSL	hsl(229, 61%, 53%)
HSV	hsv(229, 69%, 82%)
CMYK	cmyk(69.2%, 56.7%, 0%, 18.4%)
CIE-LAB	lab(42.69, 29.55, -63.91)
CIE-LCH	lch(42.69, 70.41, 294.82°)
OKLab	oklab(51.73% -0.0017 -0.1841)
OKLCH	oklch(51.73% 0.184 269.5)
XYZ	xyz(17.1518, 12.9547, 61.2589)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AD0 #D0B640

analogous

#40A2D0 #405AD0 #6E40D0

triadic

#405AD0 #D0405A #5AD040

tetradic

#405AD0 #D040A2 #D0B640 #40D06E

square

#405AD0 #D040A2 #D0B640 #40D06E

split-complementary

#405AD0 #D06E40 #A2D040

monochromatic

#1E2E78 #2A41A9 #405AD0 #7184DC #A2AFE8

Accessibility & contrast

On white

5.85

#405AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#405AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AD0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AD0	#FFFFFF	#000000	##FFFFFF
##405AD0	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405ad0;
/* rgb */ color: rgb(64, 90, 208);
/* oklch */ color: oklch(51.7% 0.184 269.5);

Tailwind

colors: {
  custom: {
    50: '#8688df',
    500: '#405ad0',
    950: '#000000',
  },
}

SCSS

$custom: #405ad0;
$custom-light: #8688df;
$custom-dark: #000000;

JSON

{
  "hex": "#405ad0",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 208
  },
  "hsl": {
    "h": 229.167,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51726,
    "c": 0.18412,
    "h": 269.5
  },
  "luminance": 0.12956
}

Semantic roles & 50–950 ramp

primary

#405AD0

secondary

#D5CA97

accent

#C744E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #405AD0

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

Preview Lab → · Contrast checker → · Palette generator →