#3933C1#3933C1

#3933C1 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.211 H 274.9°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX#3933C1
RGBrgb(57, 51, 193)
HSLhsl(243, 58%, 48%)
HSVhsv(243, 74%, 76%)
CMYKcmyk(70.5%, 73.6%, 0%, 24.3%)
CIE-LABlab(32.00, 47.32, -72.71)
CIE-LCHlch(32.00, 86.75, 303.05°)
OKLaboklab(43.41% 0.0181 -0.2102)
OKLCHoklch(43.41% 0.211 274.9)
XYZxyz(12.4936, 7.0866, 51.1512)
Luminance0.0709 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3933C1 #BBC133
analogous
#3374C1 #3933C1 #8033C1
triadic
#3933C1 #C13933 #33C139
tetradic
#3933C1 #C13374 #BBC133 #33C180
square
#3933C1 #C13374 #BBC133 #33C180
split-complementary
#3933C1 #C18033 #74C133
monochromatic
#1C1960 #2B2691 #3933C1 #625DD4 #918DE1

Accessibility & contrast

On white

8.69
#3933C1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#3933C1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933C1
8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3933C1#FFFFFF#000000##FFFFFF
##3933C11.008.692.428.69
#FFFFFF8.691.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052C5
Deuteranopia (green-blind)
#0045BE
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #3933c1;
/* rgb */ color: rgb(57, 51, 193);
/* oklch */ color: oklch(43.4% 0.211 274.9);
Tailwind
colors: {
  custom: {
    50: '#836dd5',
    500: '#3933c1',
    950: '#000000',
  },
}
SCSS
$custom: #3933c1;
$custom-light: #836dd5;
$custom-dark: #000000;
JSON
{
  "hex": "#3933c1",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 242.535,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43409,
    "c": 0.21102,
    "h": 274.9
  },
  "luminance": 0.07088
}

Semantic roles & 50–950 ramp

primary
#3933C1
secondary
#C8CB84
accent
#E146DB
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3933C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3933C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva