#403AC0#403AC0

#403AC0 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.8% C 0.201 H 276.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#403AC0
RGB	rgb(64, 58, 192)
HSL	hsl(243, 54%, 49%)
HSV	hsv(243, 70%, 75%)
CMYK	cmyk(66.7%, 69.8%, 0%, 24.7%)
CIE-LAB	lab(33.82, 43.80, -69.12)
CIE-LCH	lch(33.82, 81.83, 302.36°)
OKLab	oklab(44.8% 0.0229 -0.1996)
OKLCH	oklch(44.8% 0.201 276.5)
XYZ	xyz(13.1387, 7.9207, 50.6954)
Luminance	0.0792 (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

#403AC0 #BAC03A

analogous

#3A77C0 #403AC0 #833AC0

triadic

#403AC0 #C0403A #3AC040

tetradic

#403AC0 #C03A77 #BAC03A #3AC083

square

#403AC0 #C03A77 #BAC03A #3AC083

split-complementary

#403AC0 #C0833A #77C03A

monochromatic

#211E62 #302C91 #403AC0 #6B66D1 #9995DF

Accessibility & contrast

On white

8.13

#403AC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#403AC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC0

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC0	#FFFFFF	#000000	##FFFFFF
##403AC0	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C4

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403ac0;
/* rgb */ color: rgb(64, 58, 192);
/* oklch */ color: oklch(44.8% 0.201 276.5);

Tailwind

colors: {
  custom: {
    50: '#8571d4',
    500: '#403ac0',
    950: '#000000',
  },
}

SCSS

$custom: #403ac0;
$custom-light: #8571d4;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac0",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 192
  },
  "hsl": {
    "h": 242.687,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44799,
    "c": 0.20091,
    "h": 276.5
  },
  "luminance": 0.07922
}

Semantic roles & 50–950 ramp

primary

#403AC0

secondary

#C8CA8B

accent

#DD4BD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403AC0

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

Preview Lab → · Contrast checker → · Palette generator →