#405FBD#405FBD

#405FBD is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.152 H 267.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#405FBD
RGB	rgb(64, 95, 189)
HSL	hsl(225, 49%, 50%)
HSV	hsv(225, 66%, 74%)
CMYK	cmyk(66.1%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(42.68, 19.57, -52.94)
CIE-LCH	lch(42.68, 56.44, 290.29°)
OKLab	oklab(51.3% -0.0075 -0.1518)
OKLCH	oklch(51.3% 0.152 267.2)
XYZ	xyz(15.3887, 12.9471, 49.8223)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FBD #BD9E40

analogous

#409EBD #405FBD #6040BD

triadic

#405FBD #BD405F #5FBD40

tetradic

#405FBD #BD409E #BD9E40 #40BD60

square

#405FBD #BD409E #BD9E40 #40BD60

split-complementary

#405FBD #BD6040 #9EBD40

monochromatic

#213162 #31488F #405FBD #6D85CD #9AABDD

Accessibility & contrast

On white

5.85

#405FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#405FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FBD

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FBD	#FFFFFF	#000000	##FFFFFF
##405FBD	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)

#2B6BC0

Deuteranopia (green-blind)

#045FBB

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405fbd;
/* rgb */ color: rgb(64, 95, 189);
/* oklch */ color: oklch(51.3% 0.152 267.2);

Tailwind

colors: {
  custom: {
    50: '#828bd1',
    500: '#405fbd',
    950: '#000000',
  },
}

SCSS

$custom: #405fbd;
$custom-light: #828bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#405fbd",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 225.12,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51295,
    "c": 0.15195,
    "h": 267.2
  },
  "luminance": 0.12949
}

Semantic roles & 50–950 ramp

primary

#405FBD

secondary

#C9BB90

accent

#B74FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #405FBD

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

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