#403DC1#403DC1

#403DC1 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.4% C 0.199 H 276.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#403DC1
RGB	rgb(64, 61, 193)
HSL	hsl(241, 52%, 50%)
HSV	hsv(241, 68%, 76%)
CMYK	cmyk(66.8%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(34.55, 42.37, -68.50)
CIE-LCH	lch(34.55, 80.54, 301.74°)
OKLab	oklab(45.36% 0.0207 -0.1978)
OKLCH	oklch(45.36% 0.199 276)
XYZ	xyz(13.4056, 8.2765, 51.3328)
Luminance	0.0828 (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

#403DC1 #BEC13D

analogous

#3D7CC1 #403DC1 #823DC1

triadic

#403DC1 #C1403D #3DC140

tetradic

#403DC1 #C13D7C #BEC13D #3DC182

square

#403DC1 #C13D7C #BEC13D #3DC182

split-complementary

#403DC1 #C1823D #7CC13D

monochromatic

#212064 #312E92 #403DC1 #6D6BD0 #9B99DF

Accessibility & contrast

On white

7.91

#403DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#403DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC1

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC1	#FFFFFF	#000000	##FFFFFF
##403DC1	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	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: #403dc1;
/* rgb */ color: rgb(64, 61, 193);
/* oklch */ color: oklch(45.4% 0.199 276.0);

Tailwind

colors: {
  custom: {
    50: '#8573d5',
    500: '#403dc1',
    950: '#000000',
  },
}

SCSS

$custom: #403dc1;
$custom-light: #8573d5;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc1",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 241.364,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45356,
    "c": 0.19887,
    "h": 276
  },
  "luminance": 0.08278
}

Semantic roles & 50–950 ramp

primary

#403DC1

secondary

#C9CB8F

accent

#DB4CD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403DC1

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

Preview Lab → · Contrast checker → · Palette generator →