#403CD3#403CD3

#403CD3 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.9% C 0.222 H 274.8°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#403CD3
RGB	rgb(64, 60, 211)
HSL	hsl(242, 63%, 53%)
HSV	hsv(242, 72%, 83%)
CMYK	cmyk(69.7%, 71.6%, 0%, 17.3%)
CIE-LAB	lab(36.03, 48.81, -76.55)
CIE-LCH	lch(36.03, 90.79, 302.53°)
OKLab	oklab(46.93% 0.0186 -0.2213)
OKLCH	oklch(46.93% 0.222 274.8)
XYZ	xyz(15.4842, 9.0234, 62.5411)
Luminance	0.0902 (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

#403CD3 #CFD33C

analogous

#3C84D3 #403CD3 #8B3CD3

triadic

#403CD3 #D3403C #3CD340

tetradic

#403CD3 #D33C84 #CFD33C #3CD38B

square

#403CD3 #D33C84 #CFD33C #3CD38B

split-complementary

#403CD3 #D38B3C #84D33C

monochromatic

#1E1B79 #2A27AB #403CD3 #716EDE #A2A0EA

Accessibility & contrast

On white

7.49

#403CD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#403CD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CD3

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CD3	#FFFFFF	#000000	##FFFFFF
##403CD3	1.00	7.49	2.81	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD7

Deuteranopia (green-blind)

#004ED0

Tritanopia (blue-blind)

#006684

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #403cd3;
/* rgb */ color: rgb(64, 60, 211);
/* oklch */ color: oklch(46.9% 0.222 274.8);

Tailwind

colors: {
  custom: {
    50: '#8973e2',
    500: '#403cd3',
    950: '#000000',
  },
}

SCSS

$custom: #403cd3;
$custom-light: #8973e2;
$custom-dark: #000000;

JSON

{
  "hex": "#403cd3",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 211
  },
  "hsl": {
    "h": 241.589,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46926,
    "c": 0.22207,
    "h": 274.8
  },
  "luminance": 0.09025
}

Semantic roles & 50–950 ramp

primary

#403CD3

secondary

#D4D695

accent

#E642E2

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #403CD3

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

Preview Lab → · Contrast checker → · Palette generator →