#403AC1#403AC1

#403AC1 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.9% C 0.202 H 276.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#403AC1
RGB	rgb(64, 58, 193)
HSL	hsl(243, 54%, 49%)
HSV	hsv(243, 70%, 76%)
CMYK	cmyk(66.8%, 69.9%, 0%, 24.3%)
CIE-LAB	lab(33.91, 44.12, -69.55)
CIE-LCH	lch(33.91, 82.37, 302.39°)
OKLab	oklab(44.89% 0.0227 -0.2009)
OKLCH	oklch(44.89% 0.202 276.4)
XYZ	xyz(13.2499, 7.9652, 51.2809)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403AC1 #BBC13A

analogous

#3A77C1 #403AC1 #843AC1

triadic

#403AC1 #C1403A #3AC140

tetradic

#403AC1 #C13A77 #BBC13A #3AC184

square

#403AC1 #C13A77 #BBC13A #3AC184

split-complementary

#403AC1 #C1843A #77C13A

monochromatic

#211E63 #302C92 #403AC1 #6C67D1 #9996DF

Accessibility & contrast

On white

8.10

#403AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#403AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC1

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC1	#FFFFFF	#000000	##FFFFFF
##403AC1	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403ac1;
/* rgb */ color: rgb(64, 58, 193);
/* oklch */ color: oklch(44.9% 0.202 276.4);

Tailwind

colors: {
  custom: {
    50: '#8571d5',
    500: '#403ac1',
    950: '#000000',
  },
}

SCSS

$custom: #403ac1;
$custom-light: #8571d5;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac1",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 242.667,
    "s": 53.785,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44894,
    "c": 0.20215,
    "h": 276.4
  },
  "luminance": 0.07966
}

Semantic roles & 50–950 ramp

primary

#403AC1

secondary

#C8CB8C

accent

#DD4BD7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #403AC1

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

Preview Lab → · Contrast checker → · Palette generator →