#3B40D2#3B40D2

#3B40D2 is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.1% C 0.218 H 272.8°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B40D2
RGB	rgb(59, 64, 210)
HSL	hsl(238, 63%, 53%)
HSV	hsv(238, 72%, 82%)
CMYK	cmyk(71.9%, 69.5%, 0%, 17.6%)
CIE-LAB	lab(36.46, 45.68, -75.27)
CIE-LCH	lch(36.46, 88.05, 301.25°)
OKLab	oklab(47.12% 0.0107 -0.2177)
OKLCH	oklch(47.12% 0.218 272.8)
XYZ	xyz(15.2660, 9.2482, 61.9408)
Luminance	0.0925 (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

#3B40D2 #D2CD3B

analogous

#3B8CD2 #3B40D2 #813BD2

triadic

#3B40D2 #D23B40 #40D23B

tetradic

#3B40D2 #D23B8C #D2CD3B #3BD281

square

#3B40D2 #D23B8C #D2CD3B #3BD281

split-complementary

#3B40D2 #D2813B #8CD23B

monochromatic

#1B1E77 #272BA9 #3B40D2 #6D71DD #9FA1E9

Accessibility & contrast

On white

7.37

#3B40D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3B40D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B40D2

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B40D2	#FFFFFF	#000000	##FFFFFF
##3B40D2	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD6

Deuteranopia (green-blind)

#004FCF

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b40d2;
/* rgb */ color: rgb(59, 64, 210);
/* oklch */ color: oklch(47.1% 0.218 272.8);

Tailwind

colors: {
  custom: {
    50: '#8776e1',
    500: '#3b40d2',
    950: '#000000',
  },
}

SCSS

$custom: #3b40d2;
$custom-light: #8776e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b40d2",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 210
  },
  "hsl": {
    "h": 238.013,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47123,
    "c": 0.21797,
    "h": 272.8
  },
  "luminance": 0.0925
}

Semantic roles & 50–950 ramp

primary

#3B40D2

secondary

#D5D394

accent

#E042E6

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #3B40D2

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

Preview Lab → · Contrast checker → · Palette generator →