#405E8A#405E8A

#405E8A is a mid, moderate blue. Relative luminance 0.109; OKLCH L 47.9% C 0.080 H 257.8°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#405E8A
RGB	rgb(64, 94, 138)
HSL	hsl(216, 37%, 40%)
HSV	hsv(216, 54%, 54%)
CMYK	cmyk(53.6%, 31.9%, 0%, 45.9%)
CIE-LAB	lab(39.46, 2.39, -27.79)
CIE-LCH	lch(39.46, 27.90, 274.91°)
OKLab	oklab(47.86% -0.0168 -0.0781)
OKLCH	oklch(47.86% 0.08 257.8)
XYZ	xyz(10.7029, 10.9296, 25.5854)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405E8A #8A6C40

analogous

#40838A #405E8A #47408A

triadic

#405E8A #8A405E #5E8A40

tetradic

#405E8A #8A4083 #8A6C40 #408A47

square

#405E8A #8A4083 #8A6C40 #408A47

split-complementary

#405E8A #8A4740 #838A40

monochromatic

#192536 #2D4260 #405E8A #567BB1 #809CC4

Accessibility & contrast

On white

6.59

#405E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#405E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405E8A

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405E8A	#FFFFFF	#000000	##FFFFFF
##405E8A	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D618C

Deuteranopia (green-blind)

#445A89

Tritanopia (blue-blind)

#1A686E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405e8a;
/* rgb */ color: rgb(64, 94, 138);
/* oklch */ color: oklch(47.9% 0.080 257.8);

Tailwind

colors: {
  custom: {
    50: '#7a8bac',
    500: '#405e8a',
    950: '#000000',
  },
}

SCSS

$custom: #405e8a;
$custom-light: #7a8bac;
$custom-dark: #000000;

JSON

{
  "hex": "#405e8a",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 138
  },
  "hsl": {
    "h": 215.676,
    "s": 36.634,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47861,
    "c": 0.07994,
    "h": 257.8
  },
  "luminance": 0.1093
}

Semantic roles & 50–950 ramp

primary

#405E8A

secondary

#AF9877

accent

#9F5BCD

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #405E8A

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

Preview Lab → · Contrast checker → · Palette generator →