#405B99#405B99

#405B99 is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.0% C 0.105 H 264.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#405B99
RGB	rgb(64, 91, 153)
HSL	hsl(222, 41%, 43%)
HSV	hsv(222, 58%, 60%)
CMYK	cmyk(58.2%, 40.5%, 0%, 40%)
CIE-LAB	lab(39.36, 9.41, -36.99)
CIE-LCH	lch(39.36, 38.16, 284.27°)
OKLab	oklab(48.04% -0.0093 -0.105)
OKLCH	oklch(48.04% 0.105 264.9)
XYZ	xyz(11.6033, 10.8711, 31.6177)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B99 #997E40

analogous

#408799 #405B99 #524099

triadic

#405B99 #99405B #5B9940

tetradic

#405B99 #994087 #997E40 #409952

square

#405B99 #994087 #997E40 #409952

split-complementary

#405B99 #995240 #879940

monochromatic

#1C2843 #2E416E #405B99 #5C78BB #879CCD

Accessibility & contrast

On white

6.62

#405B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#405B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405B99

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B99	#FFFFFF	#000000	##FFFFFF
##405B99	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#365998

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405b99;
/* rgb */ color: rgb(64, 91, 153);
/* oklch */ color: oklch(48.0% 0.105 264.9);

Tailwind

colors: {
  custom: {
    50: '#7c89b7',
    500: '#405b99',
    950: '#000000',
  },
}

SCSS

$custom: #405b99;
$custom-light: #7c89b7;
$custom-dark: #000000;

JSON

{
  "hex": "#405b99",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 153
  },
  "hsl": {
    "h": 221.798,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48042,
    "c": 0.10538,
    "h": 264.9
  },
  "luminance": 0.10872
}

Semantic roles & 50–950 ramp

primary

#405B99

secondary

#B7A67E

accent

#AC57D1

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405B99

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

Preview Lab → · Contrast checker → · Palette generator →