#403DC0#403DC0

#403DC0 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.3% C 0.198 H 276.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#403DC0
RGB	rgb(64, 61, 192)
HSL	hsl(241, 52%, 50%)
HSV	hsv(241, 68%, 75%)
CMYK	cmyk(66.7%, 68.2%, 0%, 24.7%)
CIE-LAB	lab(34.46, 42.04, -68.06)
CIE-LCH	lch(34.46, 80.00, 301.70°)
OKLab	oklab(45.26% 0.0208 -0.1965)
OKLCH	oklch(45.26% 0.198 276)
XYZ	xyz(13.2944, 8.2321, 50.7473)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403DC0 #BDC03D

analogous

#3D7CC0 #403DC0 #823DC0

triadic

#403DC0 #C0403D #3DC040

tetradic

#403DC0 #C03D7C #BDC03D #3DC082

square

#403DC0 #C03D7C #BDC03D #3DC082

split-complementary

#403DC0 #C0823D #7CC03D

monochromatic

#211F63 #312E92 #403DC0 #6D6AD0 #9A99DF

Accessibility & contrast

On white

7.93

#403DC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#403DC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC0

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC0	#FFFFFF	#000000	##FFFFFF
##403DC0	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#004BBE

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403dc0;
/* rgb */ color: rgb(64, 61, 192);
/* oklch */ color: oklch(45.3% 0.198 276.0);

Tailwind

colors: {
  custom: {
    50: '#8573d4',
    500: '#403dc0',
    950: '#000000',
  },
}

SCSS

$custom: #403dc0;
$custom-light: #8573d4;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc0",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 192
  },
  "hsl": {
    "h": 241.374,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45263,
    "c": 0.19761,
    "h": 276
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#403DC0

secondary

#C9CA8E

accent

#DB4DD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403DC0

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

Preview Lab → · Contrast checker → · Palette generator →