#405C8F#405C8F

#405C8F is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.7% C 0.089 H 261.7°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#405C8F
RGB	rgb(64, 92, 143)
HSL	hsl(219, 38%, 41%)
HSV	hsv(219, 55%, 56%)
CMYK	cmyk(55.2%, 35.7%, 0%, 43.9%)
CIE-LAB	lab(39.12, 5.33, -31.36)
CIE-LCH	lch(39.12, 31.81, 279.65°)
OKLab	oklab(47.68% -0.0129 -0.0885)
OKLCH	oklch(47.68% 0.089 261.7)
XYZ	xyz(10.8977, 10.7266, 27.4775)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C8F #8F7340

analogous

#40838F #405C8F #4B408F

triadic

#405C8F #8F405C #5C8F40

tetradic

#405C8F #8F4083 #8F7340 #408F4B

square

#405C8F #8F4083 #8F7340 #408F4B

split-complementary

#405C8F #8F4B40 #838F40

monochromatic

#1A263A #2D4165 #405C8F #5879B4 #829BC7

Accessibility & contrast

On white

6.68

#405C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#405C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405C8F

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C8F	#FFFFFF	#000000	##FFFFFF
##405C8F	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486091

Deuteranopia (green-blind)

#3E598E

Tritanopia (blue-blind)

#14676F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #405c8f;
/* rgb */ color: rgb(64, 92, 143);
/* oklch */ color: oklch(47.7% 0.089 261.7);

Tailwind

colors: {
  custom: {
    50: '#7b89b0',
    500: '#405c8f',
    950: '#000000',
  },
}

SCSS

$custom: #405c8f;
$custom-light: #7b89b0;
$custom-dark: #000000;

JSON

{
  "hex": "#405c8f",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 143
  },
  "hsl": {
    "h": 218.734,
    "s": 38.164,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47675,
    "c": 0.08946,
    "h": 261.7
  },
  "luminance": 0.10727
}

Semantic roles & 50–950 ramp

primary

#405C8F

secondary

#B29E79

accent

#A55ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #405C8F

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

Preview Lab → · Contrast checker → · Palette generator →