#403CC6#403CC6

#403CC6 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.7% C 0.206 H 275.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#403CC6
RGB	rgb(64, 60, 198)
HSL	hsl(242, 55%, 51%)
HSV	hsv(242, 70%, 78%)
CMYK	cmyk(67.7%, 69.7%, 0%, 22.4%)
CIE-LAB	lab(34.80, 44.60, -71.02)
CIE-LCH	lch(34.80, 83.86, 302.13°)
OKLab	oklab(45.67% 0.0206 -0.2052)
OKLCH	oklch(45.67% 0.206 275.7)
XYZ	xyz(13.9199, 8.3977, 54.3025)
Luminance	0.0840 (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

#403CC6 #C2C63C

analogous

#3C7DC6 #403CC6 #853CC6

triadic

#403CC6 #C6403C #3CC640

tetradic

#403CC6 #C63C7D #C2C63C #3CC685

square

#403CC6 #C63C7D #C2C63C #3CC685

split-complementary

#403CC6 #C6853C #7DC63C

monochromatic

#211F69 #302D98 #403CC6 #6E6BD4 #9D9BE2

Accessibility & contrast

On white

7.84

#403CC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#403CC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC6

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC6	#FFFFFF	#000000	##FFFFFF
##403CC6	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CA

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403cc6;
/* rgb */ color: rgb(64, 60, 198);
/* oklch */ color: oklch(45.7% 0.206 275.7);

Tailwind

colors: {
  custom: {
    50: '#8673d8',
    500: '#403cc6',
    950: '#000000',
  },
}

SCSS

$custom: #403cc6;
$custom-light: #8673d8;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc6",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 198
  },
  "hsl": {
    "h": 241.739,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45672,
    "c": 0.20621,
    "h": 275.7
  },
  "luminance": 0.08399
}

Semantic roles & 50–950 ramp

primary

#403CC6

secondary

#CCCE90

accent

#DE4ADA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403CC6

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

Preview Lab → · Contrast checker → · Palette generator →