#403DC3#403DC3

#403DC3 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.201 H 275.8°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#403DC3
RGB	rgb(64, 61, 195)
HSL	hsl(241, 53%, 50%)
HSV	hsv(241, 69%, 76%)
CMYK	cmyk(67.2%, 68.7%, 0%, 23.5%)
CIE-LAB	lab(34.73, 43.03, -69.37)
CIE-LCH	lch(34.73, 81.63, 301.81°)
OKLab	oklab(45.54% 0.0204 -0.2003)
OKLCH	oklch(45.54% 0.201 275.8)
XYZ	xyz(13.6302, 8.3664, 52.5158)
Luminance	0.0837 (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

#403DC3 #C0C33D

analogous

#3D7DC3 #403DC3 #833DC3

triadic

#403DC3 #C3403D #3DC340

tetradic

#403DC3 #C33D7D #C0C33D #3DC383

square

#403DC3 #C33D7D #C0C33D #3DC383

split-complementary

#403DC3 #C3833D #7DC33D

monochromatic

#212066 #302E95 #403DC3 #6E6CD1 #9C9AE0

Accessibility & contrast

On white

7.85

#403DC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#403DC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC3

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC3	#FFFFFF	#000000	##FFFFFF
##403DC3	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C7

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403dc3;
/* rgb */ color: rgb(64, 61, 195);
/* oklch */ color: oklch(45.5% 0.201 275.8);

Tailwind

colors: {
  custom: {
    50: '#8673d6',
    500: '#403dc3',
    950: '#000000',
  },
}

SCSS

$custom: #403dc3;
$custom-light: #8673d6;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc3",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 195
  },
  "hsl": {
    "h": 241.343,
    "s": 52.756,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45543,
    "c": 0.20138,
    "h": 275.8
  },
  "luminance": 0.08368
}

Semantic roles & 50–950 ramp

primary

#403DC3

secondary

#CBCC90

accent

#DC4CD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #403DC3

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

Preview Lab → · Contrast checker → · Palette generator →