#3939C1#3939C1

#3939C1 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.3% C 0.205 H 274.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX#3939C1
RGBrgb(57, 57, 193)
HSLhsl(240, 54%, 49%)
HSVhsv(240, 70%, 76%)
CMYKcmyk(70.5%, 70.5%, 0%, 24.3%)
CIE-LABlab(33.23, 43.90, -70.69)
CIE-LCHlch(33.23, 83.21, 301.84°)
OKLaboklab(44.29% 0.0148 -0.2044)
OKLCHoklch(44.29% 0.205 274.1)
XYZxyz(12.7729, 7.6451, 51.2443)
Luminance0.0765 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3939C1 #C1C139
analogous
#397DC1 #3939C1 #7D39C1
triadic
#3939C1 #C13939 #39C139
tetradic
#3939C1 #C1397D #C1C139 #39C17D
square
#3939C1 #C1397D #C1C139 #39C17D
split-complementary
#3939C1 #C17D39 #7DC139
monochromatic
#1D1D63 #2B2B92 #3939C1 #6666D2 #9595E0

Accessibility & contrast

On white

8.30
#3939C1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#3939C1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939C1
8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3939C1#FFFFFF#000000##FFFFFF
##3939C11.008.302.538.30
#FFFFFF8.301.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C5
Deuteranopia (green-blind)
#0048BF
Tritanopia (blue-blind)
#005F79
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3939c1;
/* rgb */ color: rgb(57, 57, 193);
/* oklch */ color: oklch(44.3% 0.205 274.1);
Tailwind
colors: {
  custom: {
    50: '#8370d5',
    500: '#3939c1',
    950: '#000000',
  },
}
SCSS
$custom: #3939c1;
$custom-light: #8370d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3939c1",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 193
  },
  "hsl": {
    "h": 240,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44286,
    "c": 0.20489,
    "h": 274.1
  },
  "luminance": 0.07646
}

Semantic roles & 50–950 ramp

primary
#3939C1
secondary
#CBCB8B
accent
#DE4ADE
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3939C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3939C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva