#405FBF#405FBF

#405FBF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.155 H 267.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#405FBF
RGB	rgb(64, 95, 191)
HSL	hsl(225, 50%, 50%)
HSV	hsv(225, 66%, 75%)
CMYK	cmyk(66.5%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(42.82, 20.29, -53.89)
CIE-LCH	lch(42.82, 57.58, 290.63°)
OKLab	oklab(51.44% -0.0073 -0.1546)
OKLCH	oklch(51.44% 0.155 267.3)
XYZ	xyz(15.6073, 13.0345, 50.9735)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FBF #BFA040

analogous

#409FBF #405FBF #6040BF

triadic

#405FBF #BF405F #5FBF40

tetradic

#405FBF #BF409F #BFA040 #40BF60

square

#405FBF #BF409F #BFA040 #40BF60

split-complementary

#405FBF #BF6040 #9FBF40

monochromatic

#213163 #314891 #405FBF #6E85CE #9CACDE

Accessibility & contrast

On white

5.82

#405FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#405FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FBF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FBF	#FFFFFF	#000000	##FFFFFF
##405FBF	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286BC2

Deuteranopia (green-blind)

#0060BD

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405fbf;
/* rgb */ color: rgb(64, 95, 191);
/* oklch */ color: oklch(51.4% 0.155 267.3);

Tailwind

colors: {
  custom: {
    50: '#828bd3',
    500: '#405fbf',
    950: '#000000',
  },
}

SCSS

$custom: #405fbf;
$custom-light: #828bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#405fbf",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 225.354,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.51438,
    "c": 0.15474,
    "h": 267.3
  },
  "luminance": 0.13036
}

Semantic roles & 50–950 ramp

primary

#405FBF

secondary

#CABC91

accent

#B74ED9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #405FBF

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

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