#405C99#405C99

#405C99 is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.3% C 0.104 H 264.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#405C99
RGB	rgb(64, 92, 153)
HSL	hsl(221, 41%, 43%)
HSV	hsv(221, 58%, 60%)
CMYK	cmyk(58.2%, 39.9%, 0%, 40%)
CIE-LAB	lab(39.65, 8.76, -36.53)
CIE-LCH	lch(39.65, 37.56, 283.49°)
OKLab	oklab(48.27% -0.0104 -0.1036)
OKLCH	oklch(48.27% 0.104 264.2)
XYZ	xyz(11.6893, 11.0433, 31.6464)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C99 #997D40

analogous

#408899 #405C99 #514099

triadic

#405C99 #99405C #5C9940

tetradic

#405C99 #994088 #997D40 #409951

square

#405C99 #994088 #997D40 #409951

split-complementary

#405C99 #995140 #889940

monochromatic

#1C2843 #2E426E #405C99 #5C79BB #879DCD

Accessibility & contrast

On white

6.54

#405C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#405C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405C99

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C99	#FFFFFF	#000000	##FFFFFF
##405C99	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42629B

Deuteranopia (green-blind)

#375A98

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405c99;
/* rgb */ color: rgb(64, 92, 153);
/* oklch */ color: oklch(48.3% 0.104 264.2);

Tailwind

colors: {
  custom: {
    50: '#7c89b7',
    500: '#405c99',
    950: '#000000',
  },
}

SCSS

$custom: #405c99;
$custom-light: #7c89b7;
$custom-dark: #000000;

JSON

{
  "hex": "#405c99",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 221.124,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48267,
    "c": 0.10414,
    "h": 264.2
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#405C99

secondary

#B7A57E

accent

#AB57D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405C99

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

Preview Lab → · Contrast checker → · Palette generator →