#403FA2#403FA2

#403FA2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.156 H 278.0°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#403FA2
RGB	rgb(64, 63, 162)
HSL	hsl(241, 44%, 44%)
HSV	hsv(241, 61%, 64%)
CMYK	cmyk(60.5%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(32.38, 30.72, -53.63)
CIE-LCH	lch(32.38, 61.81, 299.80°)
OKLab	oklab(42.95% 0.0218 -0.1542)
OKLCH	oklch(42.95% 0.156 278)
XYZ	xyz(10.4114, 7.2529, 35.0267)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403FA2 #A1A23F

analogous

#3F70A2 #403FA2 #723FA2

triadic

#403FA2 #A2403F #3FA240

tetradic

#403FA2 #A23F70 #A1A23F #3FA272

square

#403FA2 #A23F70 #A1A23F #3FA272

split-complementary

#403FA2 #A2723F #70A23F

monochromatic

#1D1D4A #2F2E76 #403FA2 #5F5EC0 #8B8AD1

Accessibility & contrast

On white

8.57

#403FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#403FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FA2

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FA2	#FFFFFF	#000000	##FFFFFF
##403FA2	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0048A0

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #403fa2;
/* rgb */ color: rgb(64, 63, 162);
/* oklch */ color: oklch(43.0% 0.156 278.0);

Tailwind

colors: {
  custom: {
    50: '#7f74be',
    500: '#403fa2',
    950: '#000000',
  },
}

SCSS

$custom: #403fa2;
$custom-light: #7f74be;
$custom-dark: #000000;

JSON

{
  "hex": "#403fa2",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 240.606,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42954,
    "c": 0.15571,
    "h": 278
  },
  "luminance": 0.07254
}

Semantic roles & 50–950 ramp

primary

#403FA2

secondary

#BCBC81

accent

#D454D2

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #403FA2

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

Preview Lab → · Contrast checker → · Palette generator →