#39399A#39399A

#39399A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.154 H 277.1°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX#39399A
RGBrgb(57, 57, 154)
HSLhsl(240, 46%, 41%)
HSVhsv(240, 63%, 60%)
CMYKcmyk(63%, 63%, 0%, 39.6%)
CIE-LABlab(29.73, 30.61, -53.11)
CIE-LCHlch(29.73, 61.30, 299.96°)
OKLaboklab(40.68% 0.019 -0.1529)
OKLCHoklch(40.68% 0.154 277.1)
XYZxyz(8.9813, 6.1285, 31.2752)
Luminance0.0613 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39399A #9A9A39
analogous
#396A9A #39399A #6A399A
triadic
#39399A #9A3939 #399A39
tetradic
#39399A #9A396A #9A9A39 #399A6A
square
#39399A #9A396A #9A9A39 #399A6A
split-complementary
#39399A #9A6A39 #6A9A39
monochromatic
#181841 #28286D #39399A #5151BF #7E7ECF

Accessibility & contrast

On white

9.43
#39399A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.23
#39399A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39399A
9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39399A#FFFFFF#000000##FFFFFF
##39399A1.009.432.239.43
#FFFFFF9.431.0021.001.00
#0000002.2321.001.0021.00
##FFFFFF9.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004A9D
Deuteranopia (green-blind)
#004298
Tritanopia (blue-blind)
#005164
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #39399a;
/* rgb */ color: rgb(57, 57, 154);
/* oklch */ color: oklch(40.7% 0.154 277.1);
Tailwind
colors: {
  custom: {
    50: '#7a6fb9',
    500: '#39399a',
    950: '#000000',
  },
}
SCSS
$custom: #39399a;
$custom-light: #7a6fb9;
$custom-dark: #000000;
JSON
{
  "hex": "#39399a",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 240,
    "s": 45.972,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40676,
    "c": 0.15405,
    "h": 277.1
  },
  "luminance": 0.06129
}

Semantic roles & 50–950 ramp

primary
#39399A
secondary
#B9B976
accent
#D652D6
background
#F7F6FB
surface
#EEECF6
border
#C9C7D0
text
#0A0711
muted
#7C7A80

Preview Lab

Preview with #39399A

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

Preview Lab → · Contrast checker → · Palette generator →

#39399A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva