#3939C0#3939C0

#3939C0 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.204 H 274.2°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX#3939C0
RGBrgb(57, 57, 192)
HSLhsl(240, 54%, 49%)
HSVhsv(240, 70%, 75%)
CMYKcmyk(70.3%, 70.3%, 0%, 24.7%)
CIE-LABlab(33.14, 43.56, -70.26)
CIE-LCHlch(33.14, 82.67, 301.80°)
OKLaboklab(44.19% 0.0149 -0.2031)
OKLCHoklch(44.19% 0.204 274.2)
XYZxyz(12.6617, 7.6007, 50.6587)
Luminance0.0760 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3939C0 #C0C039
analogous
#397DC0 #3939C0 #7D39C0
triadic
#3939C0 #C03939 #39C039
tetradic
#3939C0 #C0397D #C0C039 #39C07D
square
#3939C0 #C0397D #C0C039 #39C07D
split-complementary
#3939C0 #C07D39 #7DC039
monochromatic
#1D1D62 #2B2B91 #3939C0 #6565D1 #9494DF

Accessibility & contrast

On white

8.33
#3939C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.52
#3939C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939C0
8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3939C0#FFFFFF#000000##FFFFFF
##3939C01.008.332.528.33
#FFFFFF8.331.0021.001.00
#0000002.5221.001.0021.00
##FFFFFF8.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054C4
Deuteranopia (green-blind)
#0048BE
Tritanopia (blue-blind)
#005E78
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3939c0;
/* rgb */ color: rgb(57, 57, 192);
/* oklch */ color: oklch(44.2% 0.204 274.2);
Tailwind
colors: {
  custom: {
    50: '#8270d4',
    500: '#3939c0',
    950: '#000000',
  },
}
SCSS
$custom: #3939c0;
$custom-light: #8270d4;
$custom-dark: #000000;
JSON
{
  "hex": "#3939c0",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 192
  },
  "hsl": {
    "h": 240,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44189,
    "c": 0.20365,
    "h": 274.2
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary
#3939C0
secondary
#CBCB8A
accent
#DE4ADE
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3939C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3939C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva