#405D99#405D99

#405D99 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.5% C 0.103 H 263.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#405D99
RGB	rgb(64, 93, 153)
HSL	hsl(220, 41%, 43%)
HSV	hsv(220, 58%, 60%)
CMYK	cmyk(58.2%, 39.2%, 0%, 40%)
CIE-LAB	lab(39.94, 8.12, -36.06)
CIE-LCH	lch(39.94, 36.97, 282.70°)
OKLab	oklab(48.49% -0.0116 -0.1022)
OKLCH	oklch(48.49% 0.103 263.5)
XYZ	xyz(11.7765, 11.2177, 31.6755)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D99 #997C40

analogous

#408A99 #405D99 #4F4099

triadic

#405D99 #99405D #5D9940

tetradic

#405D99 #99408A #997C40 #40994F

square

#405D99 #99408A #997C40 #40994F

split-complementary

#405D99 #994F40 #8A9940

monochromatic

#1C2943 #2E436E #405D99 #5C7BBB #879ECD

Accessibility & contrast

On white

6.47

#405D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#405D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405D99

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D99	#FFFFFF	#000000	##FFFFFF
##405D99	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44639B

Deuteranopia (green-blind)

#395A98

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405d99;
/* rgb */ color: rgb(64, 93, 153);
/* oklch */ color: oklch(48.5% 0.103 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c8ab7',
    500: '#405d99',
    950: '#000000',
  },
}

SCSS

$custom: #405d99;
$custom-light: #7c8ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#405d99",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 153
  },
  "hsl": {
    "h": 220.449,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48492,
    "c": 0.10291,
    "h": 263.5
  },
  "luminance": 0.11219
}

Semantic roles & 50–950 ramp

primary

#405D99

secondary

#B7A47E

accent

#A957D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405D99

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

Preview Lab → · Contrast checker → · Palette generator →