#403CC4#403CC4

#403CC4 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.5% C 0.204 H 275.9°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#403CC4
RGB	rgb(64, 60, 196)
HSL	hsl(242, 54%, 50%)
HSV	hsv(242, 69%, 77%)
CMYK	cmyk(67.3%, 69.4%, 0%, 23.1%)
CIE-LAB	lab(34.61, 43.94, -70.16)
CIE-LCH	lch(34.61, 82.78, 302.06°)
OKLab	oklab(45.48% 0.0209 -0.2026)
OKLCH	oklch(45.48% 0.204 275.9)
XYZ	xyz(13.6907, 8.3060, 53.0956)
Luminance	0.0831 (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

#403CC4 #C0C43C

analogous

#3C7CC4 #403CC4 #843CC4

triadic

#403CC4 #C4403C #3CC440

tetradic

#403CC4 #C43C7C #C0C43C #3CC484

square

#403CC4 #C43C7C #C0C43C #3CC484

split-complementary

#403CC4 #C4843C #7CC43C

monochromatic

#211F67 #302D96 #403CC4 #6E6BD2 #9C9AE0

Accessibility & contrast

On white

7.89

#403CC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#403CC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC4

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC4	#FFFFFF	#000000	##FFFFFF
##403CC4	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C8

Deuteranopia (green-blind)

#004BC1

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403cc4;
/* rgb */ color: rgb(64, 60, 196);
/* oklch */ color: oklch(45.5% 0.204 275.9);

Tailwind

colors: {
  custom: {
    50: '#8673d7',
    500: '#403cc4',
    950: '#000000',
  },
}

SCSS

$custom: #403cc4;
$custom-light: #8673d7;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc4",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 196
  },
  "hsl": {
    "h": 241.765,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45483,
    "c": 0.20372,
    "h": 275.9
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary

#403CC4

secondary

#CBCC90

accent

#DD4BD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #403CC4

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

Preview Lab → · Contrast checker → · Palette generator →