#403CC9#403CC9

#403CC9 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.0% C 0.210 H 275.5°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#403CC9
RGB	rgb(64, 60, 201)
HSL	hsl(242, 57%, 51%)
HSV	hsv(242, 70%, 79%)
CMYK	cmyk(68.2%, 70.1%, 0%, 21.2%)
CIE-LAB	lab(35.08, 45.58, -72.31)
CIE-LCH	lch(35.08, 85.48, 302.22°)
OKLab	oklab(45.96% 0.0202 -0.2089)
OKLCH	oklch(45.96% 0.21 275.5)
XYZ	xyz(14.2694, 8.5374, 56.1429)
Luminance	0.0854 (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

#403CC9 #C5C93C

analogous

#3C7EC9 #403CC9 #863CC9

triadic

#403CC9 #C9403C #3CC940

tetradic

#403CC9 #C93C7E #C5C93C #3CC986

square

#403CC9 #C93C7E #C5C93C #3CC986

split-complementary

#403CC9 #C9863C #7EC93C

monochromatic

#201E6D #2F2B9C #403CC9 #6F6CD6 #9E9CE4

Accessibility & contrast

On white

7.76

#403CC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#403CC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC9

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC9	#FFFFFF	#000000	##FFFFFF
##403CC9	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CD

Deuteranopia (green-blind)

#004CC6

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403cc9;
/* rgb */ color: rgb(64, 60, 201);
/* oklch */ color: oklch(46.0% 0.210 275.5);

Tailwind

colors: {
  custom: {
    50: '#8773db',
    500: '#403cc9',
    950: '#000000',
  },
}

SCSS

$custom: #403cc9;
$custom-light: #8773db;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc9",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 201
  },
  "hsl": {
    "h": 241.702,
    "s": 56.627,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45958,
    "c": 0.2099,
    "h": 275.5
  },
  "luminance": 0.08539
}

Semantic roles & 50–950 ramp

primary

#403CC9

secondary

#CED091

accent

#E048DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403CC9

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

Preview Lab → · Contrast checker → · Palette generator →