#405BD0#405BD0

#405BD0 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.183 H 269.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#405BD0
RGB	rgb(64, 91, 208)
HSL	hsl(229, 61%, 53%)
HSV	hsv(229, 69%, 82%)
CMYK	cmyk(69.2%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(42.95, 28.92, -63.49)
CIE-LCH	lch(42.95, 69.77, 294.49°)
OKLab	oklab(51.92% -0.0025 -0.1829)
OKLCH	oklch(51.92% 0.183 269.2)
XYZ	xyz(17.2367, 13.1245, 61.2872)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BD0 #D0B540

analogous

#40A3D0 #405BD0 #6D40D0

triadic

#405BD0 #D0405B #5BD040

tetradic

#405BD0 #D040A3 #D0B540 #40D06D

square

#405BD0 #D040A3 #D0B540 #40D06D

split-complementary

#405BD0 #D06D40 #A3D040

monochromatic

#1E2F78 #2A42A9 #405BD0 #7185DC #A2AFE8

Accessibility & contrast

On white

5.79

#405BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#405BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BD0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BD0	#FFFFFF	#000000	##FFFFFF
##405BD0	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405bd0;
/* rgb */ color: rgb(64, 91, 208);
/* oklch */ color: oklch(51.9% 0.183 269.2);

Tailwind

colors: {
  custom: {
    50: '#8689df',
    500: '#405bd0',
    950: '#000000',
  },
}

SCSS

$custom: #405bd0;
$custom-light: #8689df;
$custom-dark: #000000;

JSON

{
  "hex": "#405bd0",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 228.75,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51917,
    "c": 0.1829,
    "h": 269.2
  },
  "luminance": 0.13126
}

Semantic roles & 50–950 ramp

primary

#405BD0

secondary

#D5C997

accent

#C644E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #405BD0

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

Preview Lab → · Contrast checker → · Palette generator →