#405F99#405F99

#405F99 is a mid, moderate blue. Relative luminance 0.116; OKLCH L 48.9% C 0.100 H 262.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#405F99
RGB	rgb(64, 95, 153)
HSL	hsl(219, 41%, 43%)
HSV	hsv(219, 58%, 60%)
CMYK	cmyk(58.2%, 37.9%, 0%, 40%)
CIE-LAB	lab(40.53, 6.85, -35.14)
CIE-LCH	lch(40.53, 35.80, 281.03°)
OKLab	oklab(48.95% -0.0139 -0.0995)
OKLCH	oklch(48.95% 0.1 262)
XYZ	xyz(11.9544, 11.5733, 31.7347)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405F99 #997A40

analogous

#408C99 #405F99 #4D4099

triadic

#405F99 #99405F #5F9940

tetradic

#405F99 #99408C #997A40 #40994D

square

#405F99 #99408C #997A40 #40994D

split-complementary

#405F99 #994D40 #8C9940

monochromatic

#1C2943 #2E446E #405F99 #5C7DBB #879FCD

Accessibility & contrast

On white

6.34

#405F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#405F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405F99

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405F99	#FFFFFF	#000000	##FFFFFF
##405F99	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47649B

Deuteranopia (green-blind)

#3C5C98

Tritanopia (blue-blind)

#006C74

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405f99;
/* rgb */ color: rgb(64, 95, 153);
/* oklch */ color: oklch(48.9% 0.100 262.0);

Tailwind

colors: {
  custom: {
    50: '#7c8cb7',
    500: '#405f99',
    950: '#000000',
  },
}

SCSS

$custom: #405f99;
$custom-light: #7c8cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#405f99",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 153
  },
  "hsl": {
    "h": 219.101,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48945,
    "c": 0.10049,
    "h": 262
  },
  "luminance": 0.11574
}

Semantic roles & 50–950 ramp

primary

#405F99

secondary

#B7A37E

accent

#A657D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #405F99

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

Preview Lab → · Contrast checker → · Palette generator →