#405E99#405E99

#405E99 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.102 H 262.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#405E99
RGB	rgb(64, 94, 153)
HSL	hsl(220, 41%, 43%)
HSV	hsv(220, 58%, 60%)
CMYK	cmyk(58.2%, 38.6%, 0%, 40%)
CIE-LAB	lab(40.24, 7.49, -35.60)
CIE-LCH	lch(40.24, 36.38, 281.88°)
OKLab	oklab(48.72% -0.0128 -0.1009)
OKLCH	oklch(48.72% 0.102 262.8)
XYZ	xyz(11.8649, 11.3943, 31.7049)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405E99 #997B40

analogous

#408B99 #405E99 #4E4099

triadic

#405E99 #99405E #5E9940

tetradic

#405E99 #99408B #997B40 #40994E

square

#405E99 #99408B #997B40 #40994E

split-complementary

#405E99 #994E40 #8B9940

monochromatic

#1C2943 #2E436E #405E99 #5C7CBB #879ECD

Accessibility & contrast

On white

6.40

#405E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#405E99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405E99

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405E99	#FFFFFF	#000000	##FFFFFF
##405E99	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45639B

Deuteranopia (green-blind)

#3A5B98

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405e99;
/* rgb */ color: rgb(64, 94, 153);
/* oklch */ color: oklch(48.7% 0.102 262.8);

Tailwind

colors: {
  custom: {
    50: '#7c8bb7',
    500: '#405e99',
    950: '#000000',
  },
}

SCSS

$custom: #405e99;
$custom-light: #7c8bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#405e99",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 153
  },
  "hsl": {
    "h": 219.775,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48718,
    "c": 0.1017,
    "h": 262.8
  },
  "luminance": 0.11395
}

Semantic roles & 50–950 ramp

primary

#405E99

secondary

#B7A47E

accent

#A857D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405E99

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

Preview Lab → · Contrast checker → · Palette generator →