#403C92#403C92

#403C92 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.137 H 280.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#403C92
RGB	rgb(64, 60, 146)
HSL	hsl(243, 42%, 40%)
HSV	hsv(243, 59%, 57%)
CMYK	cmyk(56.2%, 58.9%, 0%, 42.7%)
CIE-LAB	lab(30.39, 27.23, -47.13)
CIE-LCH	lch(30.39, 54.43, 300.02°)
OKLab	oklab(41.1% 0.0252 -0.1351)
OKLCH	oklch(41.1% 0.137 280.6)
XYZ	xyz(8.9169, 6.3965, 27.9533)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C92 #8E923C

analogous

#3C6392 #403C92 #6B3C92

triadic

#403C92 #92403C #3C9240

tetradic

#403C92 #923C63 #8E923C #3C926B

square

#403C92 #923C63 #8E923C #3C926B

split-complementary

#403C92 #926B3C #63923C

monochromatic

#1A183B #2D2A67 #403C92 #5853B8 #827ECA

Accessibility & contrast

On white

9.21

#403C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#403C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C92

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C92	#FFFFFF	#000000	##FFFFFF
##403C92	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B95

Deuteranopia (green-blind)

#004490

Tritanopia (blue-blind)

#195061

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #403c92;
/* rgb */ color: rgb(64, 60, 146);
/* oklch */ color: oklch(41.1% 0.137 280.6);

Tailwind

colors: {
  custom: {
    50: '#7c72b3',
    500: '#403c92',
    950: '#000000',
  },
}

SCSS

$custom: #403c92;
$custom-light: #7c72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#403c92",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 146
  },
  "hsl": {
    "h": 242.791,
    "s": 41.748,
    "l": 40.392
  },
  "oklch": {
    "l": 0.411,
    "c": 0.1374,
    "h": 280.6
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#403C92

secondary

#B1B476

accent

#D256CC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403C92

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

Preview Lab → · Contrast checker → · Palette generator →