#403C97#403C97

#403C97 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.144 H 280.0°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#403C97
RGB	rgb(64, 60, 151)
HSL	hsl(243, 43%, 41%)
HSV	hsv(243, 60%, 59%)
CMYK	cmyk(57.6%, 60.3%, 0%, 40.8%)
CIE-LAB	lab(30.77, 28.91, -49.57)
CIE-LCH	lch(30.77, 57.38, 300.26°)
OKLab	oklab(41.5% 0.0251 -0.1422)
OKLCH	oklch(41.5% 0.144 280)
XYZ	xyz(9.3144, 6.5555, 30.0467)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C97 #93973C

analogous

#3C6697 #403C97 #6E3C97

triadic

#403C97 #97403C #3C9740

tetradic

#403C97 #973C66 #93973C #3C976E

square

#403C97 #973C66 #93973C #3C976E

split-complementary

#403C97 #976E3C #66973C

monochromatic

#1B193F #2D2B6B #403C97 #5955BB #8481CD

Accessibility & contrast

On white

9.09

#403C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#403C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C97

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C97	#FFFFFF	#000000	##FFFFFF
##403C97	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#115263

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #403c97;
/* rgb */ color: rgb(64, 60, 151);
/* oklch */ color: oklch(41.5% 0.144 280.0);

Tailwind

colors: {
  custom: {
    50: '#7d72b6',
    500: '#403c97',
    950: '#000000',
  },
}

SCSS

$custom: #403c97;
$custom-light: #7d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403c97",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 151
  },
  "hsl": {
    "h": 242.637,
    "s": 43.128,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41502,
    "c": 0.14444,
    "h": 280
  },
  "luminance": 0.06556
}

Semantic roles & 50–950 ramp

primary

#403C97

secondary

#B4B778

accent

#D355CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403C97

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

Preview Lab → · Contrast checker → · Palette generator →