#403CC8#403CC8

#403CC8 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.9% C 0.209 H 275.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#403CC8
RGB	rgb(64, 60, 200)
HSL	hsl(242, 56%, 51%)
HSV	hsv(242, 70%, 78%)
CMYK	cmyk(68%, 70%, 0%, 21.6%)
CIE-LAB	lab(34.98, 45.25, -71.88)
CIE-LCH	lch(34.98, 84.94, 302.19°)
OKLab	oklab(45.86% 0.0203 -0.2077)
OKLCH	oklch(45.86% 0.209 275.6)
XYZ	xyz(14.1521, 8.4906, 55.5254)
Luminance	0.0849 (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

#403CC8 #C4C83C

analogous

#3C7EC8 #403CC8 #863CC8

triadic

#403CC8 #C8403C #3CC840

tetradic

#403CC8 #C83C7E #C4C83C #3CC886

square

#403CC8 #C83C7E #C4C83C #3CC886

split-complementary

#403CC8 #C8863C #7EC83C

monochromatic

#201E6B #2F2C9B #403CC8 #6F6CD5 #9E9BE3

Accessibility & contrast

On white

7.78

#403CC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#403CC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC8

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC8	#FFFFFF	#000000	##FFFFFF
##403CC8	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CC

Deuteranopia (green-blind)

#004CC5

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403cc8;
/* rgb */ color: rgb(64, 60, 200);
/* oklch */ color: oklch(45.9% 0.209 275.6);

Tailwind

colors: {
  custom: {
    50: '#8773da',
    500: '#403cc8',
    950: '#000000',
  },
}

SCSS

$custom: #403cc8;
$custom-light: #8773da;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc8",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 200
  },
  "hsl": {
    "h": 241.714,
    "s": 56,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45863,
    "c": 0.20867,
    "h": 275.6
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#403CC8

secondary

#CDCF91

accent

#DF49DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403CC8

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

Preview Lab → · Contrast checker → · Palette generator →