#3D40C3#3D40C3

#3D40C3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.8% C 0.199 H 274.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C3
RGB	rgb(61, 64, 195)
HSL	hsl(239, 53%, 50%)
HSV	hsv(239, 69%, 76%)
CMYK	cmyk(68.7%, 67.2%, 0%, 23.5%)
CIE-LAB	lab(35.20, 40.87, -68.62)
CIE-LCH	lch(35.20, 79.87, 300.78°)
OKLab	oklab(45.83% 0.0148 -0.1982)
OKLCH	oklch(45.83% 0.199 274.3)
XYZ	xyz(13.6049, 8.5978, 52.5617)
Luminance	0.0860 (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

#3D40C3 #C3C03D

analogous

#3D83C3 #3D40C3 #7D3DC3

triadic

#3D40C3 #C33D40 #40C33D

tetradic

#3D40C3 #C33D83 #C3C03D #3DC37D

square

#3D40C3 #C33D83 #C3C03D #3DC37D

split-complementary

#3D40C3 #C37D3D #83C33D

monochromatic

#202166 #2E3095 #3D40C3 #6C6ED1 #9A9CE0

Accessibility & contrast

On white

7.72

#3D40C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3D40C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C3

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C3	#FFFFFF	#000000	##FFFFFF
##3D40C3	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C7

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d40c3;
/* rgb */ color: rgb(61, 64, 195);
/* oklch */ color: oklch(45.8% 0.199 274.3);

Tailwind

colors: {
  custom: {
    50: '#8475d6',
    500: '#3d40c3',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c3;
$custom-light: #8475d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c3",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 195
  },
  "hsl": {
    "h": 238.657,
    "s": 52.756,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45826,
    "c": 0.19877,
    "h": 274.3
  },
  "luminance": 0.08599
}

Semantic roles & 50–950 ramp

primary

#3D40C3

secondary

#CCCB90

accent

#D94CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3D40C3

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

Preview Lab → · Contrast checker → · Palette generator →