#403C96#403C96

#403C96 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.143 H 280.1°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#403C96
RGB	rgb(64, 60, 150)
HSL	hsl(243, 43%, 41%)
HSV	hsv(243, 60%, 59%)
CMYK	cmyk(57.3%, 60%, 0%, 41.2%)
CIE-LAB	lab(30.70, 28.58, -49.08)
CIE-LCH	lch(30.70, 56.79, 300.21°)
OKLab	oklab(41.42% 0.0251 -0.1408)
OKLCH	oklch(41.42% 0.143 280.1)
XYZ	xyz(9.2335, 6.5231, 29.6208)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C96 #92963C

analogous

#3C6596 #403C96 #6D3C96

triadic

#403C96 #96403C #3C9640

tetradic

#403C96 #963C65 #92963C #3C966D

square

#403C96 #963C65 #92963C #3C966D

split-complementary

#403C96 #966D3C #65963C

monochromatic

#1B193F #2D2B6A #403C96 #5954BB #8480CC

Accessibility & contrast

On white

9.11

#403C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#403C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C96

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C96	#FFFFFF	#000000	##FFFFFF
##403C96	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004594

Tritanopia (blue-blind)

#135163

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #403c96;
/* rgb */ color: rgb(64, 60, 150);
/* oklch */ color: oklch(41.4% 0.143 280.1);

Tailwind

colors: {
  custom: {
    50: '#7d72b6',
    500: '#403c96',
    950: '#000000',
  },
}

SCSS

$custom: #403c96;
$custom-light: #7d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403c96",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 150
  },
  "hsl": {
    "h": 242.667,
    "s": 42.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41421,
    "c": 0.14303,
    "h": 280.1
  },
  "luminance": 0.06524
}

Semantic roles & 50–950 ramp

primary

#403C96

secondary

#B3B678

accent

#D355CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403C96

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

Preview Lab → · Contrast checker → · Palette generator →