#3939D5#3939D5

#3939D5 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.229 H 272.9°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3939D5
RGB	rgb(57, 57, 213)
HSL	hsl(240, 65%, 53%)
HSV	hsv(240, 73%, 84%)
CMYK	cmyk(73.2%, 73.2%, 0%, 16.5%)
CIE-LAB	lab(35.20, 50.45, -79.08)
CIE-LCH	lch(35.20, 93.81, 302.54°)
OKLab	oklab(46.28% 0.0116 -0.2288)
OKLCH	oklch(46.28% 0.229 272.9)
XYZ	xyz(15.1567, 8.5986, 63.7988)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3939D5 #D5D539

analogous

#3987D5 #3939D5 #8739D5

triadic

#3939D5 #D53939 #39D539

tetradic

#3939D5 #D53987 #D5D539 #39D587

square

#3939D5 #D53987 #D5D539 #39D587

split-complementary

#3939D5 #D58739 #87D539

monochromatic

#1A1A7A #2525AC #3939D5 #6B6BE0 #9E9EEA

Accessibility & contrast

On white

7.72

#3939D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3939D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939D5

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939D5	#FFFFFF	#000000	##FFFFFF
##3939D5	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ADA

Deuteranopia (green-blind)

#004BD2

Tritanopia (blue-blind)

#006684

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3939d5;
/* rgb */ color: rgb(57, 57, 213);
/* oklch */ color: oklch(46.3% 0.229 272.9);

Tailwind

colors: {
  custom: {
    50: '#8771e3',
    500: '#3939d5',
    950: '#000000',
  },
}

SCSS

$custom: #3939d5;
$custom-light: #8771e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3939d5",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 213
  },
  "hsl": {
    "h": 240,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.4628,
    "c": 0.22912,
    "h": 272.9
  },
  "luminance": 0.086
}

Semantic roles & 50–950 ramp

primary

#3939D5

secondary

#D7D793

accent

#E840E8

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3939D5

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

Preview Lab → · Contrast checker → · Palette generator →