#403CC1#403CC1

#403CC1 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.2% C 0.200 H 276.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#403CC1
RGB	rgb(64, 60, 193)
HSL	hsl(242, 53%, 50%)
HSV	hsv(242, 69%, 76%)
CMYK	cmyk(66.8%, 68.9%, 0%, 24.3%)
CIE-LAB	lab(34.34, 42.96, -68.86)
CIE-LCH	lch(34.34, 81.16, 301.96°)
OKLab	oklab(45.2% 0.0214 -0.1988)
OKLCH	oklch(45.2% 0.2 276.1)
XYZ	xyz(13.3527, 8.1708, 51.3152)
Luminance	0.0817 (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

#403CC1 #BDC13C

analogous

#3C7AC1 #403CC1 #833CC1

triadic

#403CC1 #C1403C #3CC140

tetradic

#403CC1 #C13C7A #BDC13C #3CC183

square

#403CC1 #C13C7A #BDC13C #3CC183

split-complementary

#403CC1 #C1833C #7AC13C

monochromatic

#211F64 #312D92 #403CC1 #6D6AD1 #9A98DF

Accessibility & contrast

On white

7.97

#403CC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#403CC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CC1

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CC1	#FFFFFF	#000000	##FFFFFF
##403CC1	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403cc1;
/* rgb */ color: rgb(64, 60, 193);
/* oklch */ color: oklch(45.2% 0.200 276.1);

Tailwind

colors: {
  custom: {
    50: '#8573d5',
    500: '#403cc1',
    950: '#000000',
  },
}

SCSS

$custom: #403cc1;
$custom-light: #8573d5;
$custom-dark: #000000;

JSON

{
  "hex": "#403cc1",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 193
  },
  "hsl": {
    "h": 241.805,
    "s": 52.569,
    "l": 49.608
  },
  "oklch": {
    "l": 0.452,
    "c": 0.19997,
    "h": 276.1
  },
  "luminance": 0.08172
}

Semantic roles & 50–950 ramp

primary

#403CC1

secondary

#C9CB8E

accent

#DC4CD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403CC1

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

Preview Lab → · Contrast checker → · Palette generator →