#403FC4#403FC4

#403FC4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.0% C 0.200 H 275.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#403FC4
RGB	rgb(64, 63, 196)
HSL	hsl(240, 53%, 51%)
HSV	hsv(240, 68%, 77%)
CMYK	cmyk(67.3%, 67.9%, 0%, 23.1%)
CIE-LAB	lab(35.26, 42.18, -69.09)
CIE-LCH	lch(35.26, 80.95, 301.40°)
OKLab	oklab(45.95% 0.0189 -0.1995)
OKLCH	oklch(45.95% 0.2 275.4)
XYZ	xyz(13.8524, 8.6293, 53.1495)
Luminance	0.0863 (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

#403FC4 #C3C43F

analogous

#3F80C4 #403FC4 #823FC4

triadic

#403FC4 #C4403F #3FC440

tetradic

#403FC4 #C43F80 #C3C43F #3FC482

square

#403FC4 #C43F80 #C3C43F #3FC482

split-complementary

#403FC4 #C4823F #80C43F

monochromatic

#212068 #2F2E97 #403FC4 #6F6ED2 #9D9DE1

Accessibility & contrast

On white

7.70

#403FC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#403FC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FC4

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FC4	#FFFFFF	#000000	##FFFFFF
##403FC4	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403fc4;
/* rgb */ color: rgb(64, 63, 196);
/* oklch */ color: oklch(46.0% 0.200 275.4);

Tailwind

colors: {
  custom: {
    50: '#8675d7',
    500: '#403fc4',
    950: '#000000',
  },
}

SCSS

$custom: #403fc4;
$custom-light: #8675d7;
$custom-dark: #000000;

JSON

{
  "hex": "#403fc4",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 196
  },
  "hsl": {
    "h": 240.451,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4595,
    "c": 0.20043,
    "h": 275.4
  },
  "luminance": 0.08631
}

Semantic roles & 50–950 ramp

primary

#403FC4

secondary

#CCCD92

accent

#DC4BDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #403FC4

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

Preview Lab → · Contrast checker → · Palette generator →