#3939D2#3939D2

#3939D2 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 46.0% C 0.226 H 273.1°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3939D2
RGB	rgb(57, 57, 210)
HSL	hsl(240, 63%, 52%)
HSV	hsv(240, 73%, 82%)
CMYK	cmyk(72.9%, 72.9%, 0%, 17.6%)
CIE-LAB	lab(34.90, 49.48, -77.85)
CIE-LCH	lch(34.90, 92.24, 302.44°)
OKLab	oklab(45.98% 0.0121 -0.2252)
OKLCH	oklch(45.98% 0.226 273.1)
XYZ	xyz(14.7794, 8.4477, 61.8119)
Luminance	0.0845 (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

#3939D2 #D2D239

analogous

#3986D2 #3939D2 #8639D2

triadic

#3939D2 #D23939 #39D239

tetradic

#3939D2 #D23986 #D2D239 #39D286

square

#3939D2 #D23986 #D2D239 #39D286

split-complementary

#3939D2 #D28639 #86D239

monochromatic

#1B1B76 #2626A8 #3939D2 #6B6BDD #9D9DE9

Accessibility & contrast

On white

7.81

#3939D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3939D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939D2

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939D2	#FFFFFF	#000000	##FFFFFF
##3939D2	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D6

Deuteranopia (green-blind)

#004BCF

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3939d2;
/* rgb */ color: rgb(57, 57, 210);
/* oklch */ color: oklch(46.0% 0.226 273.1);

Tailwind

colors: {
  custom: {
    50: '#8671e1',
    500: '#3939d2',
    950: '#000000',
  },
}

SCSS

$custom: #3939d2;
$custom-light: #8671e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3939d2",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 210
  },
  "hsl": {
    "h": 240,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.45976,
    "c": 0.22555,
    "h": 273.1
  },
  "luminance": 0.08449
}

Semantic roles & 50–950 ramp

primary

#3939D2

secondary

#D5D592

accent

#E642E6

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #3939D2

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

Preview Lab → · Contrast checker → · Palette generator →