#3947DA#3947DA

#3947DA is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.9% C 0.221 H 271.0°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3947DA
RGB	rgb(57, 71, 218)
HSL	hsl(235, 69%, 54%)
HSV	hsv(235, 74%, 85%)
CMYK	cmyk(73.9%, 67.4%, 0%, 14.5%)
CIE-LAB	lab(38.61, 44.03, -76.33)
CIE-LCH	lch(38.61, 88.12, 299.98°)
OKLab	oklab(48.88% 0.0039 -0.2208)
OKLCH	oklch(48.88% 0.221 271)
XYZ	xyz(16.5912, 10.4365, 67.4561)
Luminance	0.1044 (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

#3947DA #DACC39

analogous

#3997DA #3947DA #7C39DA

triadic

#3947DA #DA3947 #47DA39

tetradic

#3947DA #DA3997 #DACC39 #39DA7C

square

#3947DA #DA3997 #DACC39 #39DA7C

split-complementary

#3947DA #DA7C39 #97DA39

monochromatic

#182181 #222EB4 #3947DA #6D77E4 #A0A7ED

Accessibility & contrast

On white

6.80

#3947DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3947DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3947DA

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3947DA	#FFFFFF	#000000	##FFFFFF
##3947DA	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DF

Deuteranopia (green-blind)

#0053D7

Tritanopia (blue-blind)

#006F8B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3947da;
/* rgb */ color: rgb(57, 71, 218);
/* oklch */ color: oklch(48.9% 0.221 271.0);

Tailwind

colors: {
  custom: {
    50: '#877be7',
    500: '#3947da',
    950: '#000000',
  },
}

SCSS

$custom: #3947da;
$custom-light: #877be7;
$custom-dark: #000000;

JSON

{
  "hex": "#3947da",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 218
  },
  "hsl": {
    "h": 234.783,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48877,
    "c": 0.22088,
    "h": 271
  },
  "luminance": 0.10438
}

Semantic roles & 50–950 ramp

primary

#3947DA

secondary

#DAD495

accent

#DC3CEB

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3947DA

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

Preview Lab → · Contrast checker → · Palette generator →