#3D40C4#3D40C4

#3D40C4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.9% C 0.200 H 274.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C4
RGB	rgb(61, 64, 196)
HSL	hsl(239, 53%, 50%)
HSV	hsv(239, 69%, 77%)
CMYK	cmyk(68.9%, 67.3%, 0%, 23.1%)
CIE-LAB	lab(35.29, 41.21, -69.06)
CIE-LCH	lch(35.29, 80.42, 300.83°)
OKLab	oklab(45.92% 0.0147 -0.1995)
OKLCH	oklch(45.92% 0.2 274.2)
XYZ	xyz(13.7184, 8.6431, 53.1592)
Luminance	0.0864 (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

#3D40C4 #C4C13D

analogous

#3D83C4 #3D40C4 #7E3DC4

triadic

#3D40C4 #C43D40 #40C43D

tetradic

#3D40C4 #C43D83 #C4C13D #3DC47E

square

#3D40C4 #C43D83 #C4C13D #3DC47E

split-complementary

#3D40C4 #C47E3D #83C43D

monochromatic

#1F2167 #2E3096 #3D40C4 #6C6ED2 #9B9CE1

Accessibility & contrast

On white

7.70

#3D40C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3D40C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C4

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C4	#FFFFFF	#000000	##FFFFFF
##3D40C4	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004DC2

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d40c4;
/* rgb */ color: rgb(61, 64, 196);
/* oklch */ color: oklch(45.9% 0.200 274.2);

Tailwind

colors: {
  custom: {
    50: '#8475d7',
    500: '#3d40c4',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c4;
$custom-light: #8475d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c4",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 196
  },
  "hsl": {
    "h": 238.667,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45919,
    "c": 0.20003,
    "h": 274.2
  },
  "luminance": 0.08644
}

Semantic roles & 50–950 ramp

primary

#3D40C4

secondary

#CDCB90

accent

#DA4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3D40C4

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

Preview Lab → · Contrast checker → · Palette generator →