#403F92#403F92

#403F92 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.133 H 279.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#403F92
RGB	rgb(64, 63, 146)
HSL	hsl(241, 40%, 41%)
HSV	hsv(241, 57%, 57%)
CMYK	cmyk(56.2%, 56.8%, 0%, 42.7%)
CIE-LAB	lab(31.16, 25.28, -45.88)
CIE-LCH	lch(31.16, 52.39, 298.85°)
OKLab	oklab(41.67% 0.0219 -0.1314)
OKLCH	oklch(41.67% 0.133 279.5)
XYZ	xyz(9.0785, 6.7197, 28.0072)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F92 #91923F

analogous

#3F6792 #403F92 #693F92

triadic

#403F92 #92403F #3F9240

tetradic

#403F92 #923F67 #91923F #3F9269

square

#403F92 #923F67 #91923F #3F9269

split-complementary

#403F92 #92693F #67923F

monochromatic

#1B1A3C #2D2D67 #403F92 #5957B7 #8382C9

Accessibility & contrast

On white

8.96

#403F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#403F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F92

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F92	#FFFFFF	#000000	##FFFFFF
##403F92	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044D95

Deuteranopia (green-blind)

#004690

Tritanopia (blue-blind)

#185262

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #403f92;
/* rgb */ color: rgb(64, 63, 146);
/* oklch */ color: oklch(41.7% 0.133 279.5);

Tailwind

colors: {
  custom: {
    50: '#7c74b3',
    500: '#403f92',
    950: '#000000',
  },
}

SCSS

$custom: #403f92;
$custom-light: #7c74b3;
$custom-dark: #000000;

JSON

{
  "hex": "#403f92",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 146
  },
  "hsl": {
    "h": 240.723,
    "s": 39.713,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4167,
    "c": 0.13319,
    "h": 279.5
  },
  "luminance": 0.0672
}

Semantic roles & 50–950 ramp

primary

#403F92

secondary

#B3B379

accent

#D058CE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403F92

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

Preview Lab → · Contrast checker → · Palette generator →