#405EBA#405EBA

#405EBA is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.149 H 267.3°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#405EBA
RGB	rgb(64, 94, 186)
HSL	hsl(225, 49%, 49%)
HSV	hsv(225, 66%, 73%)
CMYK	cmyk(65.6%, 49.5%, 0%, 27.1%)
CIE-LAB	lab(42.21, 19.14, -51.95)
CIE-LCH	lch(42.21, 55.36, 290.23°)
OKLab	oklab(50.88% -0.0069 -0.1489)
OKLCH	oklch(50.88% 0.149 267.3)
XYZ	xyz(14.9769, 12.6392, 48.0952)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EBA #BA9C40

analogous

#409BBA #405EBA #5F40BA

triadic

#405EBA #BA405E #5EBA40

tetradic

#405EBA #BA409B #BA9C40 #40BA5F

square

#405EBA #BA409B #BA9C40 #40BA5F

split-complementary

#405EBA #BA5F40 #9BBA40

monochromatic

#21305F #30478C #405EBA #6B83CC #99A9DC

Accessibility & contrast

On white

5.95

#405EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#405EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EBA

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EBA	#FFFFFF	#000000	##FFFFFF
##405EBA	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BD

Deuteranopia (green-blind)

#0B5EB8

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405eba;
/* rgb */ color: rgb(64, 94, 186);
/* oklch */ color: oklch(50.9% 0.149 267.3);

Tailwind

colors: {
  custom: {
    50: '#828bcf',
    500: '#405eba',
    950: '#000000',
  },
}

SCSS

$custom: #405eba;
$custom-light: #828bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#405eba",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 186
  },
  "hsl": {
    "h": 225.246,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50876,
    "c": 0.14902,
    "h": 267.3
  },
  "luminance": 0.12641
}

Semantic roles & 50–950 ramp

primary

#405EBA

secondary

#C8BA8E

accent

#B74FD8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #405EBA

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

Preview Lab → · Contrast checker → · Palette generator →