#403FDA#403FDA

#403FDA is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.0% C 0.227 H 274.0°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#403FDA
RGB	rgb(64, 63, 218)
HSL	hsl(240, 68%, 55%)
HSV	hsv(240, 71%, 85%)
CMYK	cmyk(70.6%, 71.1%, 0%, 14.5%)
CIE-LAB	lab(37.31, 49.39, -78.47)
CIE-LCH	lch(37.31, 92.72, 302.18°)
OKLab	oklab(48.04% 0.0158 -0.2269)
OKLCH	oklch(48.04% 0.227 274)
XYZ	xyz(16.5425, 9.7053, 67.3176)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403FDA #D9DA3F

analogous

#3F8CDA #403FDA #8D3FDA

triadic

#403FDA #DA403F #3FDA40

tetradic

#403FDA #DA3F8C #D9DA3F #3FDA8D

square

#403FDA #DA3F8C #D9DA3F #3FDA8D

split-complementary

#403FDA #DA8D3F #8CDA3F

monochromatic

#1A1A85 #2424B8 #403FDA #7372E4 #A6A6EE

Accessibility & contrast

On white

7.14

#403FDA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#403FDA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FDA

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FDA	#FFFFFF	#000000	##FFFFFF
##403FDA	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDF

Deuteranopia (green-blind)

#0050D7

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #403fda;
/* rgb */ color: rgb(64, 63, 218);
/* oklch */ color: oklch(48.0% 0.227 274.0);

Tailwind

colors: {
  custom: {
    50: '#8a76e7',
    500: '#403fda',
    950: '#000000',
  },
}

SCSS

$custom: #403fda;
$custom-light: #8a76e7;
$custom-dark: #000000;

JSON

{
  "hex": "#403fda",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 218
  },
  "hsl": {
    "h": 240.387,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48042,
    "c": 0.22747,
    "h": 274
  },
  "luminance": 0.09707
}

Semantic roles & 50–950 ramp

primary

#403FDA

secondary

#DADB9A

accent

#EB3DE9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #403FDA

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

Preview Lab → · Contrast checker → · Palette generator →