#3B39CB#3B39CB

#3B39CB is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.4% C 0.217 H 274.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#3B39CB
RGBrgb(59, 57, 203)
HSLhsl(241, 58%, 51%)
HSVhsv(241, 72%, 80%)
CMYKcmyk(70.9%, 71.9%, 0%, 20.4%)
CIE-LABlab(34.33, 47.40, -74.72)
CIE-LCHlch(34.33, 88.49, 302.39°)
OKLaboklab(45.39% 0.0156 -0.2161)
OKLCHoklch(45.39% 0.217 274.1)
XYZxyz(14.0427, 8.1665, 57.3246)
Luminance0.0817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B39CB #C9CB39
analogous
#3980CB #3B39CB #8439CB
triadic
#3B39CB #CB3B39 #39CB3B
tetradic
#3B39CB #CB3980 #C9CB39 #39CB84
square
#3B39CB #CB3980 #C9CB39 #39CB84
split-complementary
#3B39CB #CB8439 #80CB39
monochromatic
#1E1D6D #2B299D #3B39CB #6B69D8 #9B9AE4

Accessibility & contrast

On white

7.97
#3B39CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#3B39CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B39CB
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B39CB#FFFFFF#000000##FFFFFF
##3B39CB1.007.972.637.97
#FFFFFF7.971.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CF
Deuteranopia (green-blind)
#004AC8
Tritanopia (blue-blind)
#00627E
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #3b39cb;
/* rgb */ color: rgb(59, 57, 203);
/* oklch */ color: oklch(45.4% 0.217 274.1);
Tailwind
colors: {
  custom: {
    50: '#8671dc',
    500: '#3b39cb',
    950: '#000000',
  },
}
SCSS
$custom: #3b39cb;
$custom-light: #8671dc;
$custom-dark: #000000;
JSON
{
  "hex": "#3b39cb",
  "rgb": {
    "r": 59,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 240.822,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45394,
    "c": 0.21665,
    "h": 274.1
  },
  "luminance": 0.08168
}

Semantic roles & 50–950 ramp

primary
#3B39CB
secondary
#CFD090
accent
#E246DF
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #3B39CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B39CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva