#403FD4#403FD4

#403FD4 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.5% C 0.220 H 274.4°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#403FD4
RGB	rgb(64, 63, 212)
HSL	hsl(240, 63%, 54%)
HSV	hsv(240, 70%, 83%)
CMYK	cmyk(69.8%, 70.3%, 0%, 16.9%)
CIE-LAB	lab(36.74, 47.44, -75.96)
CIE-LCH	lch(36.74, 89.55, 301.99°)
OKLab	oklab(47.46% 0.0167 -0.2196)
OKLCH	oklch(47.46% 0.22 274.4)
XYZ	xyz(15.7716, 9.3970, 63.2572)
Luminance	0.0940 (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

#403FD4 #D3D43F

analogous

#3F89D4 #403FD4 #8B3FD4

triadic

#403FD4 #D4403F #3FD440

tetradic

#403FD4 #D43F89 #D3D43F #3FD48B

square

#403FD4 #D43F89 #D3D43F #3FD48B

split-complementary

#403FD4 #D48B3F #89D43F

monochromatic

#1D1C7D #2827AF #403FD4 #7271DF #A3A3EA

Accessibility & contrast

On white

7.29

#403FD4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#403FD4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FD4

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FD4	#FFFFFF	#000000	##FFFFFF
##403FD4	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD8

Deuteranopia (green-blind)

#004FD1

Tritanopia (blue-blind)

#006885

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #403fd4;
/* rgb */ color: rgb(64, 63, 212);
/* oklch */ color: oklch(47.5% 0.220 274.4);

Tailwind

colors: {
  custom: {
    50: '#8975e2',
    500: '#403fd4',
    950: '#000000',
  },
}

SCSS

$custom: #403fd4;
$custom-light: #8975e2;
$custom-dark: #000000;

JSON

{
  "hex": "#403fd4",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 212
  },
  "hsl": {
    "h": 240.403,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47461,
    "c": 0.22023,
    "h": 274.4
  },
  "luminance": 0.09398
}

Semantic roles & 50–950 ramp

primary

#403FD4

secondary

#D7D798

accent

#E641E5

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #403FD4

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

Preview Lab → · Contrast checker → · Palette generator →