#405FB6#405FB6

#405FB6 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.8% C 0.142 H 266.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#405FB6
RGB	rgb(64, 95, 182)
HSL	hsl(224, 48%, 48%)
HSV	hsv(224, 65%, 71%)
CMYK	cmyk(64.8%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(42.23, 17.07, -49.58)
CIE-LCH	lch(42.23, 52.44, 288.99°)
OKLab	oklab(50.81% -0.0084 -0.1419)
OKLCH	oklch(50.81% 0.142 266.6)
XYZ	xyz(14.6472, 12.6505, 45.9168)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FB6 #B69740

analogous

#409AB6 #405FB6 #5C40B6

triadic

#405FB6 #B6405F #5FB640

tetradic

#405FB6 #B6409A #B69740 #40B65C

square

#405FB6 #B6409A #B69740 #40B65C

split-complementary

#405FB6 #B65C40 #9AB640

monochromatic

#20305B #304789 #405FB6 #6983CA #96A8DA

Accessibility & contrast

On white

5.95

#405FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#405FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FB6

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FB6	#FFFFFF	#000000	##FFFFFF
##405FB6	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)

#3269B9

Deuteranopia (green-blind)

#1B5FB4

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405fb6;
/* rgb */ color: rgb(64, 95, 182);
/* oklch */ color: oklch(50.8% 0.142 266.6);

Tailwind

colors: {
  custom: {
    50: '#818ccc',
    500: '#405fb6',
    950: '#000000',
  },
}

SCSS

$custom: #405fb6;
$custom-light: #818ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#405fb6",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 224.237,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.14214,
    "h": 266.6
  },
  "luminance": 0.12652
}

Semantic roles & 50–950 ramp

primary

#405FB6

secondary

#C6B78C

accent

#B450D8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #405FB6

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

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