#3933AA#3933AA

#3933AA is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.182 H 277.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX#3933AA
RGBrgb(57, 51, 170)
HSLhsl(243, 54%, 43%)
HSVhsv(243, 70%, 67%)
CMYKcmyk(66.5%, 70%, 0%, 33.3%)
CIE-LABlab(29.76, 39.78, -62.74)
CIE-LCHlch(29.76, 74.29, 302.37°)
OKLaboklab(41.13% 0.0221 -0.1811)
OKLCHoklch(41.13% 0.182 277)
XYZxyz(10.1245, 6.1389, 38.6738)
Luminance0.0614 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3933AA #A4AA33
analogous
#3368AA #3933AA #7433AA
triadic
#3933AA #AA3933 #33AA39
tetradic
#3933AA #AA3368 #A4AA33 #33AA74
square
#3933AA #AA3368 #A4AA33 #33AA74
split-complementary
#3933AA #AA7433 #68AA33
monochromatic
#19174C #29257B #3933AA #5650CA #837FD9

Accessibility & contrast

On white

9.43
#3933AA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.23
#3933AA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933AA
9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3933AA#FFFFFF#000000##FFFFFF
##3933AA1.009.432.239.43
#FFFFFF9.431.0021.001.00
#0000002.2321.001.0021.00
##FFFFFF9.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004BAE
Deuteranopia (green-blind)
#0041A8
Tritanopia (blue-blind)
#00536A
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #3933aa;
/* rgb */ color: rgb(57, 51, 170);
/* oklch */ color: oklch(41.1% 0.182 277.0);
Tailwind
colors: {
  custom: {
    50: '#7e6cc4',
    500: '#3933aa',
    950: '#000000',
  },
}
SCSS
$custom: #3933aa;
$custom-light: #7e6cc4;
$custom-dark: #000000;
JSON
{
  "hex": "#3933aa",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 243.025,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41131,
    "c": 0.18248,
    "h": 277
  },
  "luminance": 0.0614
}

Semantic roles & 50–950 ramp

primary
#3933AA
secondary
#BEC277
accent
#DD4BD6
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0713
muted
#7C7A82

Preview Lab

Preview with #3933AA

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

Preview Lab → · Contrast checker → · Palette generator →

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