#405A8D#405A8D

#405A8D is a mid, moderate blue. Relative luminance 0.103; OKLCH L 47.1% C 0.089 H 262.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#405A8D
RGB	rgb(64, 90, 141)
HSL	hsl(220, 38%, 40%)
HSV	hsv(220, 55%, 55%)
CMYK	cmyk(54.6%, 36.2%, 0%, 44.7%)
CIE-LAB	lab(38.42, 5.93, -31.25)
CIE-LCH	lch(38.42, 31.81, 280.75°)
OKLab	oklab(47.1% -0.011 -0.0882)
OKLCH	oklch(47.1% 0.089 262.9)
XYZ	xyz(10.5766, 10.3246, 26.6296)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405A8D #8D7340

analogous

#40818D #405A8D #4C408D

triadic

#405A8D #8D405A #5A8D40

tetradic

#405A8D #8D4081 #8D7340 #408D4C

square

#405A8D #8D4081 #8D7340 #408D4C

split-complementary

#405A8D #8D4C40 #818D40

monochromatic

#1A2439 #2D3F63 #405A8D #5776B3 #8199C6

Accessibility & contrast

On white

6.85

#405A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#405A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405A8D

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405A8D	#FFFFFF	#000000	##FFFFFF
##405A8D	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465E8F

Deuteranopia (green-blind)

#3D578C

Tritanopia (blue-blind)

#18656D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #405a8d;
/* rgb */ color: rgb(64, 90, 141);
/* oklch */ color: oklch(47.1% 0.089 262.9);

Tailwind

colors: {
  custom: {
    50: '#7a88ae',
    500: '#405a8d',
    950: '#000000',
  },
}

SCSS

$custom: #405a8d;
$custom-light: #7a88ae;
$custom-dark: #000000;

JSON

{
  "hex": "#405a8d",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 141
  },
  "hsl": {
    "h": 219.74,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47099,
    "c": 0.0889,
    "h": 262.9
  },
  "luminance": 0.10325
}

Semantic roles & 50–950 ramp

primary

#405A8D

secondary

#B09D78

accent

#A75ACE

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #405A8D

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

Preview Lab → · Contrast checker → · Palette generator →