#403CC0#403CC0

#403CC0 is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.1% C 0.199 H 276.2°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#403CC0
RGB	rgb(64, 60, 192)
HSL	hsl(242, 52%, 49%)
HSV	hsv(242, 69%, 75%)
CMYK	cmyk(66.7%, 68.7%, 0%, 24.7%)
CIE-LAB	lab(34.24, 42.63, -68.42)
CIE-LCH	lch(34.24, 80.61, 301.93°)
OKLab	oklab(45.11% 0.0215 -0.1975)
OKLCH	oklch(45.11% 0.199 276.2)
XYZ	xyz(13.2415, 8.1263, 50.7297)
Luminance	0.0813 (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

#403CC0 #BCC03C

analogous

#3C7AC0 #403CC0 #823CC0

triadic

#403CC0 #C0403C #3CC040

tetradic

#403CC0 #C03C7A #BCC03C #3CC082

square

#403CC0 #C03C7A #BCC03C #3CC082

split-complementary

#403CC0 #C0823C #7AC03C

monochromatic

#211F63 #302D91 #403CC0 #6C69D0 #9A98DF

Accessibility & contrast

On white

8.00

#403CC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#403CC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC0

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC0	#FFFFFF	#000000	##FFFFFF
##403CC0	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C4

Deuteranopia (green-blind)

#004BBE

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403cc0;
/* rgb */ color: rgb(64, 60, 192);
/* oklch */ color: oklch(45.1% 0.199 276.2);

Tailwind

colors: {
  custom: {
    50: '#8573d4',
    500: '#403cc0',
    950: '#000000',
  },
}

SCSS

$custom: #403cc0;
$custom-light: #8573d4;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc0",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 192
  },
  "hsl": {
    "h": 241.818,
    "s": 52.381,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45106,
    "c": 0.19872,
    "h": 276.2
  },
  "luminance": 0.08127
}

Semantic roles & 50–950 ramp

primary

#403CC0

secondary

#C9CA8D

accent

#DC4CD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403CC0

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

Preview Lab → · Contrast checker → · Palette generator →