#405FA3#405FA3

#405FA3 is a mid, moderate blue. Relative luminance 0.119; OKLCH L 49.6% C 0.115 H 264.2°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#405FA3
RGB	rgb(64, 95, 163)
HSL	hsl(221, 44%, 45%)
HSV	hsv(221, 61%, 64%)
CMYK	cmyk(60.7%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(41.09, 10.33, -40.22)
CIE-LCH	lch(41.09, 41.52, 284.41°)
OKLab	oklab(49.56% -0.0117 -0.1144)
OKLCH	oklch(49.56% 0.115 264.2)
XYZ	xyz(12.8151, 11.9177, 36.2682)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FA3 #A38440

analogous

#4091A3 #405FA3 #5340A3

triadic

#405FA3 #A3405F #5FA340

tetradic

#405FA3 #A34091 #A38440 #40A353

square

#405FA3 #A34091 #A38440 #40A353

split-complementary

#405FA3 #A35340 #91A340

monochromatic

#1D2C4B #2F4577 #405FA3 #607EC0 #8CA2D2

Accessibility & contrast

On white

6.21

#405FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#405FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FA3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FA3	#FFFFFF	#000000	##FFFFFF
##405FA3	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4166A6

Deuteranopia (green-blind)

#345DA2

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405fa3;
/* rgb */ color: rgb(64, 95, 163);
/* oklch */ color: oklch(49.6% 0.115 264.2);

Tailwind

colors: {
  custom: {
    50: '#7e8cbe',
    500: '#405fa3',
    950: '#000000',
  },
}

SCSS

$custom: #405fa3;
$custom-light: #7e8cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#405fa3",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 221.212,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49556,
    "c": 0.11497,
    "h": 264.2
  },
  "luminance": 0.11919
}

Semantic roles & 50–950 ramp

primary

#405FA3

secondary

#BDAA82

accent

#AC54D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #405FA3

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

Preview Lab → · Contrast checker → · Palette generator →