#405D8A#405D8A

#405D8A is a mid, moderate blue. Relative luminance 0.108; OKLCH L 47.6% C 0.081 H 258.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#405D8A
RGB	rgb(64, 93, 138)
HSL	hsl(216, 37%, 40%)
HSV	hsv(216, 54%, 54%)
CMYK	cmyk(53.6%, 32.6%, 0%, 45.9%)
CIE-LAB	lab(39.16, 3.02, -28.26)
CIE-LCH	lch(39.16, 28.42, 276.10°)
OKLab	oklab(47.63% -0.0156 -0.0795)
OKLCH	oklch(47.63% 0.081 258.9)
XYZ	xyz(10.6146, 10.7529, 25.5560)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D8A #8A6D40

analogous

#40828A #405D8A #48408A

triadic

#405D8A #8A405D #5D8A40

tetradic

#405D8A #8A4082 #8A6D40 #408A48

square

#405D8A #8A4082 #8A6D40 #408A48

split-complementary

#405D8A #8A4840 #828A40

monochromatic

#192536 #2D4160 #405D8A #567AB1 #809BC4

Accessibility & contrast

On white

6.66

#405D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#405D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405D8A

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D8A	#FFFFFF	#000000	##FFFFFF
##405D8A	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B608C

Deuteranopia (green-blind)

#425989

Tritanopia (blue-blind)

#1A676D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #405d8a;
/* rgb */ color: rgb(64, 93, 138);
/* oklch */ color: oklch(47.6% 0.081 258.9);

Tailwind

colors: {
  custom: {
    50: '#7a8aac',
    500: '#405d8a',
    950: '#000000',
  },
}

SCSS

$custom: #405d8a;
$custom-light: #7a8aac;
$custom-dark: #000000;

JSON

{
  "hex": "#405d8a",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 138
  },
  "hsl": {
    "h": 216.486,
    "s": 36.634,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47627,
    "c": 0.08103,
    "h": 258.9
  },
  "luminance": 0.10754
}

Semantic roles & 50–950 ramp

primary

#405D8A

secondary

#AF9977

accent

#A05BCD

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #405D8A

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

Preview Lab → · Contrast checker → · Palette generator →