#405C8D#405C8D

#405C8D is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.6% C 0.087 H 261.0°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#405C8D
RGB	rgb(64, 92, 141)
HSL	hsl(218, 38%, 40%)
HSV	hsv(218, 55%, 55%)
CMYK	cmyk(54.6%, 34.8%, 0%, 44.7%)
CIE-LAB	lab(39.01, 4.66, -30.31)
CIE-LCH	lch(39.01, 30.67, 278.74°)
OKLab	oklab(47.56% -0.0135 -0.0855)
OKLCH	oklch(47.56% 0.087 261)
XYZ	xyz(10.7476, 10.6666, 26.6866)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C8D #8D7140

analogous

#40828D #405C8D #4B408D

triadic

#405C8D #8D405C #5C8D40

tetradic

#405C8D #8D4082 #8D7140 #408D4B

square

#405C8D #8D4082 #8D7140 #408D4B

split-complementary

#405C8D #8D4B40 #828D40

monochromatic

#1A2539 #2D4163 #405C8D #5779B3 #819AC6

Accessibility & contrast

On white

6.70

#405C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#405C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405C8D

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C8D	#FFFFFF	#000000	##FFFFFF
##405C8D	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49608F

Deuteranopia (green-blind)

#3F598C

Tritanopia (blue-blind)

#17676E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #405c8d;
/* rgb */ color: rgb(64, 92, 141);
/* oklch */ color: oklch(47.6% 0.087 261.0);

Tailwind

colors: {
  custom: {
    50: '#7a89ae',
    500: '#405c8d',
    950: '#000000',
  },
}

SCSS

$custom: #405c8d;
$custom-light: #7a89ae;
$custom-dark: #000000;

JSON

{
  "hex": "#405c8d",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 141
  },
  "hsl": {
    "h": 218.182,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47561,
    "c": 0.08653,
    "h": 261
  },
  "luminance": 0.10667
}

Semantic roles & 50–950 ramp

primary

#405C8D

secondary

#B09C78

accent

#A45ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #405C8D

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

Preview Lab → · Contrast checker → · Palette generator →