#3946B7#3946B7

#3946B7 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.177 H 272.2°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3946B7
RGB	rgb(57, 70, 183)
HSL	hsl(234, 53%, 47%)
HSV	hsv(234, 69%, 72%)
CMYK	cmyk(68.9%, 61.7%, 0%, 28.2%)
CIE-LAB	lab(35.34, 32.46, -61.35)
CIE-LCH	lch(35.34, 69.41, 297.88°)
OKLab	oklab(45.55% 0.0069 -0.177)
OKLCH	oklch(45.55% 0.177 272.2)
XYZ	xyz(12.4219, 8.6679, 45.8090)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3946B7 #B7AA39

analogous

#3985B7 #3946B7 #6B39B7

triadic

#3946B7 #B73946 #46B739

tetradic

#3946B7 #B73985 #B7AA39 #39B76B

square

#3946B7 #B73985 #B7AA39 #39B76B

split-complementary

#3946B7 #B76B39 #85B739

monochromatic

#1C225A #2A3488 #3946B7 #606BCD #8E96DC

Accessibility & contrast

On white

7.68

#3946B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3946B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946B7

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946B7	#FFFFFF	#000000	##FFFFFF
##3946B7	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BB

Deuteranopia (green-blind)

#004DB5

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3946b7;
/* rgb */ color: rgb(57, 70, 183);
/* oklch */ color: oklch(45.5% 0.177 272.2);

Tailwind

colors: {
  custom: {
    50: '#7f79ce',
    500: '#3946b7',
    950: '#000000',
  },
}

SCSS

$custom: #3946b7;
$custom-light: #7f79ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3946b7",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 183
  },
  "hsl": {
    "h": 233.81,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45545,
    "c": 0.17711,
    "h": 272.2
  },
  "luminance": 0.08669
}

Semantic roles & 50–950 ramp

primary

#3946B7

secondary

#C7C085

accent

#CD4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3946B7

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

Preview Lab → · Contrast checker → · Palette generator →