#403F93#403F93

#403F93 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.135 H 279.4°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#403F93
RGB	rgb(64, 63, 147)
HSL	hsl(241, 40%, 41%)
HSV	hsv(241, 57%, 58%)
CMYK	cmyk(56.5%, 57.1%, 0%, 42.4%)
CIE-LAB	lab(31.23, 25.62, -46.38)
CIE-LCH	lch(31.23, 52.98, 298.92°)
OKLab	oklab(41.75% 0.0219 -0.1328)
OKLCH	oklch(41.75% 0.135 279.4)
XYZ	xyz(9.1567, 6.7510, 28.4187)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F93 #92933F

analogous

#3F6893 #403F93 #6A3F93

triadic

#403F93 #93403F #3F9340

tetradic

#403F93 #933F68 #92933F #3F936A

square

#403F93 #933F68 #92933F #3F936A

split-complementary

#403F93 #936A3F #68933F

monochromatic

#1B1A3D #2D2D68 #403F93 #5958B7 #8483CA

Accessibility & contrast

On white

8.93

#403F93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#403F93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F93

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F93	#FFFFFF	#000000	##FFFFFF
##403F93	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014D96

Deuteranopia (green-blind)

#004691

Tritanopia (blue-blind)

#175262

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #403f93;
/* rgb */ color: rgb(64, 63, 147);
/* oklch */ color: oklch(41.7% 0.135 279.4);

Tailwind

colors: {
  custom: {
    50: '#7c74b3',
    500: '#403f93',
    950: '#000000',
  },
}

SCSS

$custom: #403f93;
$custom-light: #7c74b3;
$custom-dark: #000000;

JSON

{
  "hex": "#403f93",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 147
  },
  "hsl": {
    "h": 240.714,
    "s": 40,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41748,
    "c": 0.13463,
    "h": 279.4
  },
  "luminance": 0.06752
}

Semantic roles & 50–950 ramp

primary

#403F93

secondary

#B3B47A

accent

#D058CE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403F93

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

Preview Lab → · Contrast checker → · Palette generator →