#3D40C5#3D40C5

#3D40C5 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.0% C 0.201 H 274.2°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C5
RGB	rgb(61, 64, 197)
HSL	hsl(239, 54%, 51%)
HSV	hsv(239, 69%, 77%)
CMYK	cmyk(69%, 67.5%, 0%, 22.7%)
CIE-LAB	lab(35.38, 41.54, -69.49)
CIE-LCH	lch(35.38, 80.96, 300.87°)
OKLab	oklab(46.01% 0.0146 -0.2008)
OKLCH	oklch(46.01% 0.201 274.2)
XYZ	xyz(13.8326, 8.6888, 53.7606)
Luminance	0.0869 (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

#3D40C5 #C5C23D

analogous

#3D84C5 #3D40C5 #7E3DC5

triadic

#3D40C5 #C53D40 #40C53D

tetradic

#3D40C5 #C53D84 #C5C23D #3DC57E

square

#3D40C5 #C53D84 #C5C23D #3DC57E

split-complementary

#3D40C5 #C57E3D #84C53D

monochromatic

#1F2168 #2D3098 #3D40C5 #6C6ED3 #9B9DE1

Accessibility & contrast

On white

7.67

#3D40C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3D40C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C5

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C5	#FFFFFF	#000000	##FFFFFF
##3D40C5	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C9

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d40c5;
/* rgb */ color: rgb(61, 64, 197);
/* oklch */ color: oklch(46.0% 0.201 274.2);

Tailwind

colors: {
  custom: {
    50: '#8575d8',
    500: '#3d40c5',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c5;
$custom-light: #8575d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c5",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 197
  },
  "hsl": {
    "h": 238.676,
    "s": 53.968,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46012,
    "c": 0.2013,
    "h": 274.2
  },
  "luminance": 0.0869
}

Semantic roles & 50–950 ramp

primary

#3D40C5

secondary

#CDCC91

accent

#DA4ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3D40C5

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

Preview Lab → · Contrast checker → · Palette generator →