#3D40C2#3D40C2

#3D40C2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.197 H 274.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3D40C2
RGB	rgb(61, 64, 194)
HSL	hsl(239, 52%, 50%)
HSV	hsv(239, 69%, 76%)
CMYK	cmyk(68.6%, 67%, 0%, 23.9%)
CIE-LAB	lab(35.11, 40.53, -68.18)
CIE-LCH	lch(35.11, 79.32, 300.73°)
OKLab	oklab(45.73% 0.0149 -0.1969)
OKLCH	oklch(45.73% 0.197 274.3)
XYZ	xyz(13.4922, 8.5527, 51.9683)
Luminance	0.0855 (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

#3D40C2 #C2BF3D

analogous

#3D82C2 #3D40C2 #7D3DC2

triadic

#3D40C2 #C23D40 #40C23D

tetradic

#3D40C2 #C23D82 #C2BF3D #3DC27D

square

#3D40C2 #C23D82 #C2BF3D #3DC27D

split-complementary

#3D40C2 #C27D3D #82C23D

monochromatic

#202165 #2E3193 #3D40C2 #6C6ED1 #9A9CDF

Accessibility & contrast

On white

7.75

#3D40C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3D40C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40C2

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40C2	#FFFFFF	#000000	##FFFFFF
##3D40C2	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C6

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d40c2;
/* rgb */ color: rgb(61, 64, 194);
/* oklch */ color: oklch(45.7% 0.197 274.3);

Tailwind

colors: {
  custom: {
    50: '#8475d6',
    500: '#3d40c2',
    950: '#000000',
  },
}

SCSS

$custom: #3d40c2;
$custom-light: #8475d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40c2",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 238.647,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.45734,
    "c": 0.19749,
    "h": 274.3
  },
  "luminance": 0.08554
}

Semantic roles & 50–950 ramp

primary

#3D40C2

secondary

#CBCA90

accent

#D84CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3D40C2

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

Preview Lab → · Contrast checker → · Palette generator →