#405C8A#405C8A

#405C8A is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.4% C 0.082 H 260.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#405C8A
RGB	rgb(64, 92, 138)
HSL	hsl(217, 37%, 40%)
HSV	hsv(217, 54%, 54%)
CMYK	cmyk(53.6%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(38.86, 3.65, -28.73)
CIE-LCH	lch(38.86, 28.97, 277.24°)
OKLab	oklab(47.39% -0.0143 -0.0809)
OKLCH	oklch(47.39% 0.082 260)
XYZ	xyz(10.5274, 10.5785, 25.5269)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C8A #8A6E40

analogous

#40818A #405C8A #49408A

triadic

#405C8A #8A405C #5C8A40

tetradic

#405C8A #8A4081 #8A6E40 #408A49

square

#405C8A #8A4081 #8A6E40 #408A49

split-complementary

#405C8A #8A4940 #818A40

monochromatic

#192436 #2D4060 #405C8A #5679B1 #809AC4

Accessibility & contrast

On white

6.74

#405C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#405C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405C8A

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C8A	#FFFFFF	#000000	##FFFFFF
##405C8A	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8C

Deuteranopia (green-blind)

#415889

Tritanopia (blue-blind)

#1B666D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #405c8a;
/* rgb */ color: rgb(64, 92, 138);
/* oklch */ color: oklch(47.4% 0.082 260.0);

Tailwind

colors: {
  custom: {
    50: '#7a89ac',
    500: '#405c8a',
    950: '#000000',
  },
}

SCSS

$custom: #405c8a;
$custom-light: #7a89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#405c8a",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 217.297,
    "s": 36.634,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47393,
    "c": 0.08215,
    "h": 260
  },
  "luminance": 0.10579
}

Semantic roles & 50–950 ramp

primary

#405C8A

secondary

#AF9A77

accent

#A25BCD

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #405C8A

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

Preview Lab → · Contrast checker → · Palette generator →