#405E8D#405E8D

#405E8D is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.0% C 0.084 H 259.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#405E8D
RGB	rgb(64, 94, 141)
HSL	hsl(217, 38%, 40%)
HSV	hsv(217, 55%, 55%)
CMYK	cmyk(54.6%, 33.3%, 0%, 44.7%)
CIE-LAB	lab(39.61, 3.39, -29.37)
CIE-LCH	lch(39.61, 29.57, 276.59°)
OKLab	oklab(48.03% -0.0159 -0.0827)
OKLCH	oklch(48.03% 0.084 259.1)
XYZ	xyz(10.9231, 11.0177, 26.7452)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405E8D #8D6F40

analogous

#40858D #405E8D #48408D

triadic

#405E8D #8D405E #5E8D40

tetradic

#405E8D #8D4085 #8D6F40 #408D48

square

#405E8D #8D4085 #8D6F40 #408D48

split-complementary

#405E8D #8D4840 #858D40

monochromatic

#1A2639 #2D4263 #405E8D #577BB3 #819CC6

Accessibility & contrast

On white

6.56

#405E8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#405E8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405E8D

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405E8D	#FFFFFF	#000000	##FFFFFF
##405E8D	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B618F

Deuteranopia (green-blind)

#425A8C

Tritanopia (blue-blind)

#16686F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405e8d;
/* rgb */ color: rgb(64, 94, 141);
/* oklch */ color: oklch(48.0% 0.084 259.1);

Tailwind

colors: {
  custom: {
    50: '#7a8bae',
    500: '#405e8d',
    950: '#000000',
  },
}

SCSS

$custom: #405e8d;
$custom-light: #7a8bae;
$custom-dark: #000000;

JSON

{
  "hex": "#405e8d",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 141
  },
  "hsl": {
    "h": 216.623,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48026,
    "c": 0.08426,
    "h": 259.1
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#405E8D

secondary

#B09B78

accent

#A15ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #405E8D

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

Preview Lab → · Contrast checker → · Palette generator →