#3D40C9#3D40C9

#3D40C9 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.4% C 0.206 H 273.9°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C9
RGB	rgb(61, 64, 201)
HSL	hsl(239, 56%, 51%)
HSV	hsv(239, 70%, 79%)
CMYK	cmyk(69.7%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(35.74, 42.89, -71.23)
CIE-LCH	lch(35.74, 83.14, 301.05°)
OKLab	oklab(46.39% 0.0141 -0.2058)
OKLCH	oklch(46.39% 0.206 273.9)
XYZ	xyz(14.2970, 8.8746, 56.2065)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40C9 #C9C63D

analogous

#3D86C9 #3D40C9 #803DC9

triadic

#3D40C9 #C93D40 #40C93D

tetradic

#3D40C9 #C93D86 #C9C63D #3DC980

square

#3D40C9 #C93D86 #C9C63D #3DC980

split-complementary

#3D40C9 #C9803D #86C93D

monochromatic

#1E206D #2C2E9D #3D40C9 #6D6FD6 #9D9EE4

Accessibility & contrast

On white

7.57

#3D40C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3D40C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C9

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C9	#FFFFFF	#000000	##FFFFFF
##3D40C9	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCD

Deuteranopia (green-blind)

#004EC6

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3d40c9;
/* rgb */ color: rgb(61, 64, 201);
/* oklch */ color: oklch(46.4% 0.206 273.9);

Tailwind

colors: {
  custom: {
    50: '#8576db',
    500: '#3d40c9',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c9;
$custom-light: #8576db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c9",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 238.714,
    "s": 56.452,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46385,
    "c": 0.20632,
    "h": 273.9
  },
  "luminance": 0.08876
}

Semantic roles & 50–950 ramp

primary

#3D40C9

secondary

#D0CE92

accent

#DC48E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3D40C9

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

Preview Lab → · Contrast checker → · Palette generator →