#405C8E#405C8E

#405C8E is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.6% C 0.088 H 261.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#405C8E
RGB	rgb(64, 92, 142)
HSL	hsl(218, 38%, 40%)
HSV	hsv(218, 55%, 56%)
CMYK	cmyk(54.9%, 35.2%, 0%, 44.3%)
CIE-LAB	lab(39.06, 5.00, -30.84)
CIE-LCH	lch(39.06, 31.24, 279.20°)
OKLab	oklab(47.62% -0.0132 -0.087)
OKLCH	oklch(47.62% 0.088 261.4)
XYZ	xyz(10.8223, 10.6965, 27.0803)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C8E #8E7240

analogous

#40838E #405C8E #4B408E

triadic

#405C8E #8E405C #5C8E40

tetradic

#405C8E #8E4083 #8E7240 #408E4B

square

#405C8E #8E4083 #8E7240 #408E4B

split-complementary

#405C8E #8E4B40 #838E40

monochromatic

#1A253A #2D4164 #405C8E #5879B4 #829BC7

Accessibility & contrast

On white

6.69

#405C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#405C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405C8E

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C8E	#FFFFFF	#000000	##FFFFFF
##405C8E	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486090

Deuteranopia (green-blind)

#3F598D

Tritanopia (blue-blind)

#16676E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #405c8e;
/* rgb */ color: rgb(64, 92, 142);
/* oklch */ color: oklch(47.6% 0.088 261.4);

Tailwind

colors: {
  custom: {
    50: '#7a89af',
    500: '#405c8e',
    950: '#000000',
  },
}

SCSS

$custom: #405c8e;
$custom-light: #7a89af;
$custom-dark: #000000;

JSON

{
  "hex": "#405c8e",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 142
  },
  "hsl": {
    "h": 218.462,
    "s": 37.864,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47618,
    "c": 0.08799,
    "h": 261.4
  },
  "luminance": 0.10697
}

Semantic roles & 50–950 ramp

primary

#405C8E

secondary

#B19D79

accent

#A45ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #405C8E

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

Preview Lab → · Contrast checker → · Palette generator →