#403BD5#403BD5

#403BD5 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.0% C 0.225 H 274.8°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#403BD5
RGB	rgb(64, 59, 213)
HSL	hsl(242, 65%, 53%)
HSV	hsv(242, 72%, 84%)
CMYK	cmyk(70%, 72.3%, 0%, 16.5%)
CIE-LAB	lab(36.02, 50.01, -77.71)
CIE-LCH	lch(36.02, 92.41, 302.76°)
OKLab	oklab(46.98% 0.0188 -0.2247)
OKLCH	oklch(46.98% 0.225 274.8)
XYZ	xyz(15.6846, 9.0205, 63.8524)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.69

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BD5 #D0D53B

analogous

#3B83D5 #403BD5 #8D3BD5

triadic

#403BD5 #D5403B #3BD540

tetradic

#403BD5 #D53B83 #D0D53B #3BD58D

square

#403BD5 #D53B83 #D0D53B #3BD58D

split-complementary

#403BD5 #D58D3B #83D53B

monochromatic

#1E1A7B #2A25AE #403BD5 #716DE0 #A2A0EB

Accessibility & contrast

On white

7.49

#403BD5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#403BD5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BD5

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BD5	#FFFFFF	#000000	##FFFFFF
##403BD5	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDA

Deuteranopia (green-blind)

#004ED2

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #403bd5;
/* rgb */ color: rgb(64, 59, 213);
/* oklch */ color: oklch(47.0% 0.225 274.8);

Tailwind

colors: {
  custom: {
    50: '#8a73e3',
    500: '#403bd5',
    950: '#000000',
  },
}

SCSS

$custom: #403bd5;
$custom-light: #8a73e3;
$custom-dark: #000000;

JSON

{
  "hex": "#403bd5",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 213
  },
  "hsl": {
    "h": 241.948,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.4698,
    "c": 0.22546,
    "h": 274.8
  },
  "luminance": 0.09022
}

Semantic roles & 50–950 ramp

primary

#403BD5

secondary

#D5D795

accent

#E840E2

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #403BD5

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

Preview Lab → · Contrast checker → · Palette generator →