#403FCA#403FCA

#403FCA is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.5% C 0.208 H 275.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#403FCA
RGB	rgb(64, 63, 202)
HSL	hsl(240, 57%, 52%)
HSV	hsv(240, 69%, 79%)
CMYK	cmyk(68.3%, 68.8%, 0%, 20.8%)
CIE-LAB	lab(35.81, 44.16, -71.70)
CIE-LCH	lch(35.81, 84.21, 301.63°)
OKLab	oklab(46.51% 0.0182 -0.2071)
OKLCH	oklch(46.51% 0.208 275)
XYZ	xyz(14.5490, 8.9079, 56.8183)
Luminance	0.0891 (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

#403FCA #C9CA3F

analogous

#3F83CA #403FCA #863FCA

triadic

#403FCA #CA403F #3FCA40

tetradic

#403FCA #CA3F83 #C9CA3F #3FCA86

square

#403FCA #CA3F83 #C9CA3F #3FCA86

split-complementary

#403FCA #CA863F #83CA3F

monochromatic

#1F1F70 #2D2CA0 #403FCA #706FD7 #9F9FE4

Accessibility & contrast

On white

7.55

#403FCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#403FCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FCA

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FCA	#FFFFFF	#000000	##FFFFFF
##403FCA	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #403fca;
/* rgb */ color: rgb(64, 63, 202);
/* oklch */ color: oklch(46.5% 0.208 275.0);

Tailwind

colors: {
  custom: {
    50: '#8775db',
    500: '#403fca',
    950: '#000000',
  },
}

SCSS

$custom: #403fca;
$custom-light: #8775db;
$custom-dark: #000000;

JSON

{
  "hex": "#403fca",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 202
  },
  "hsl": {
    "h": 240.432,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4651,
    "c": 0.20793,
    "h": 275
  },
  "luminance": 0.08909
}

Semantic roles & 50–950 ramp

primary

#403FCA

secondary

#D0D194

accent

#E048DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403FCA

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

Preview Lab → · Contrast checker → · Palette generator →