#403699#403699

#403699 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.155 H 281.5°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#403699
RGB	rgb(64, 54, 153)
HSL	hsl(246, 48%, 41%)
HSV	hsv(246, 65%, 60%)
CMYK	cmyk(58.2%, 64.7%, 0%, 40%)
CIE-LAB	lab(29.48, 33.38, -52.89)
CIE-LCH	lch(29.48, 62.54, 302.26°)
OKLab	oklab(40.61% 0.031 -0.152)
OKLCH	oklch(40.61% 0.155 281.5)
XYZ	xyz(9.1815, 6.0276, 30.8104)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403699 #8F9936

analogous

#365D99 #403699 #713699

triadic

#403699 #994036 #369940

tetradic

#403699 #99365D #8F9936 #369971

square

#403699 #99365D #8F9936 #369971

split-complementary

#403699 #997136 #5D9936

monochromatic

#1A163F #2D266C #403699 #584CC0 #827AD0

Accessibility & contrast

On white

9.52

#403699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#403699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403699

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403699	#FFFFFF	#000000	##FFFFFF
##403699	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#0F4F62

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403699;
/* rgb */ color: rgb(64, 54, 153);
/* oklch */ color: oklch(40.6% 0.155 281.5);

Tailwind

colors: {
  custom: {
    50: '#7e6eb8',
    500: '#403699',
    950: '#000000',
  },
}

SCSS

$custom: #403699;
$custom-light: #7e6eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#403699",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 153
  },
  "hsl": {
    "h": 246.061,
    "s": 47.826,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40606,
    "c": 0.15516,
    "h": 281.5
  },
  "luminance": 0.06028
}

Semantic roles & 50–950 ramp

primary

#403699

secondary

#B2B972

accent

#D750CA

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #403699

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

Preview Lab → · Contrast checker → · Palette generator →