#405B83#405B83

#405B83 is a mid, moderate blue. Relative luminance 0.102; OKLCH L 46.8% C 0.073 H 258.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#405B83
RGB	rgb(64, 91, 131)
HSL	hsl(216, 34%, 38%)
HSV	hsv(216, 51%, 51%)
CMYK	cmyk(51.1%, 30.5%, 0%, 48.6%)
CIE-LAB	lab(38.22, 1.96, -25.49)
CIE-LCH	lch(38.22, 25.56, 274.40°)
OKLab	oklab(46.78% -0.0151 -0.0715)
OKLCH	oklch(46.78% 0.073 258)
XYZ	xyz(9.9508, 10.2102, 22.9147)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B83 #836840

analogous

#407C83 #405B83 #464083

triadic

#405B83 #83405B #5B8340

tetradic

#405B83 #83407C #836840 #408346

square

#405B83 #83407C #836840 #408346

split-complementary

#405B83 #834640 #7C8340

monochromatic

#182231 #2C3E5A #405B83 #5478AC #7E98C0

Accessibility & contrast

On white

6.90

#405B83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#405B83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405B83

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B83	#FFFFFF	#000000	##FFFFFF
##405B83	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5D85

Deuteranopia (green-blind)

#445782

Tritanopia (blue-blind)

#226469

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #405b83;
/* rgb */ color: rgb(64, 91, 131);
/* oklch */ color: oklch(46.8% 0.073 258.0);

Tailwind

colors: {
  custom: {
    50: '#7989a7',
    500: '#405b83',
    950: '#000000',
  },
}

SCSS

$custom: #405b83;
$custom-light: #7989a7;
$custom-dark: #000000;

JSON

{
  "hex": "#405b83",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 131
  },
  "hsl": {
    "h": 215.821,
    "s": 34.359,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46777,
    "c": 0.07308,
    "h": 258
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary

#405B83

secondary

#AA9575

accent

#9E5DCA

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #405B83

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

Preview Lab → · Contrast checker → · Palette generator →