#403AC6#403AC6

#403AC6 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.4% C 0.208 H 276.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#403AC6
RGB	rgb(64, 58, 198)
HSL	hsl(243, 55%, 50%)
HSV	hsv(243, 71%, 78%)
CMYK	cmyk(67.7%, 70.7%, 0%, 22.4%)
CIE-LAB	lab(34.38, 45.75, -71.71)
CIE-LCH	lch(34.38, 85.06, 302.54°)
OKLab	oklab(45.37% 0.0219 -0.2072)
OKLCH	oklch(45.37% 0.208 276)
XYZ	xyz(13.8171, 8.1921, 54.2682)
Luminance	0.0819 (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

#403AC6 #C0C63A

analogous

#3A7AC6 #403AC6 #863AC6

triadic

#403AC6 #C6403A #3AC640

tetradic

#403AC6 #C63A7A #C0C63A #3AC686

square

#403AC6 #C63A7A #C0C63A #3AC686

split-complementary

#403AC6 #C6863A #7AC63A

monochromatic

#211E68 #302C97 #403AC6 #6E69D4 #9C99E1

Accessibility & contrast

On white

7.96

#403AC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#403AC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC6

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC6	#FFFFFF	#000000	##FFFFFF
##403AC6	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CA

Deuteranopia (green-blind)

#004BC3

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403ac6;
/* rgb */ color: rgb(64, 58, 198);
/* oklch */ color: oklch(45.4% 0.208 276.0);

Tailwind

colors: {
  custom: {
    50: '#8672d9',
    500: '#403ac6',
    950: '#000000',
  },
}

SCSS

$custom: #403ac6;
$custom-light: #8672d9;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac6",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 198
  },
  "hsl": {
    "h": 242.571,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45373,
    "c": 0.20833,
    "h": 276
  },
  "luminance": 0.08193
}

Semantic roles & 50–950 ramp

primary

#403AC6

secondary

#CBCD8F

accent

#DE49D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403AC6

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

Preview Lab → · Contrast checker → · Palette generator →