#403DC4#403DC4

#403DC4 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.203 H 275.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#403DC4
RGB	rgb(64, 61, 196)
HSL	hsl(241, 53%, 50%)
HSV	hsv(241, 69%, 77%)
CMYK	cmyk(67.3%, 68.9%, 0%, 23.1%)
CIE-LAB	lab(34.83, 43.36, -69.81)
CIE-LCH	lch(34.83, 82.18, 301.84°)
OKLab	oklab(45.64% 0.0203 -0.2016)
OKLCH	oklch(45.64% 0.203 275.7)
XYZ	xyz(13.7436, 8.4118, 53.1132)
Luminance	0.0841 (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

#403DC4 #C1C43D

analogous

#3D7EC4 #403DC4 #833DC4

triadic

#403DC4 #C4403D #3DC440

tetradic

#403DC4 #C43D7E #C1C43D #3DC483

square

#403DC4 #C43D7E #C1C43D #3DC483

split-complementary

#403DC4 #C4833D #7EC43D

monochromatic

#211F67 #302E96 #403DC4 #6E6CD2 #9C9BE1

Accessibility & contrast

On white

7.83

#403DC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#403DC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC4

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC4	#FFFFFF	#000000	##FFFFFF
##403DC4	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C8

Deuteranopia (green-blind)

#004CC1

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403dc4;
/* rgb */ color: rgb(64, 61, 196);
/* oklch */ color: oklch(45.6% 0.203 275.7);

Tailwind

colors: {
  custom: {
    50: '#8673d7',
    500: '#403dc4',
    950: '#000000',
  },
}

SCSS

$custom: #403dc4;
$custom-light: #8673d7;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc4",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 196
  },
  "hsl": {
    "h": 241.333,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45637,
    "c": 0.20264,
    "h": 275.7
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary

#403DC4

secondary

#CBCD90

accent

#DD4BDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #403DC4

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

Preview Lab → · Contrast checker → · Palette generator →