#3133C1#3133C1

#3133C1 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.213 H 272.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#3133C1
RGBrgb(49, 51, 193)
HSLhsl(239, 60%, 47%)
HSVhsv(239, 75%, 76%)
CMYKcmyk(74.6%, 73.6%, 0%, 24.3%)
CIE-LABlab(31.51, 46.56, -73.54)
CIE-LCHlch(31.51, 87.05, 302.34°)
OKLaboklab(42.93% 0.0087 -0.2128)
OKLCHoklch(42.93% 0.213 272.3)
XYZxyz(12.0728, 6.8696, 51.1314)
Luminance0.0687 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3133C1 #C1BF31
analogous
#317BC1 #3133C1 #7731C1
triadic
#3133C1 #C13133 #33C131
tetradic
#3133C1 #C1317B #C1BF31 #31C177
square
#3133C1 #C1317B #C1BF31 #31C177
split-complementary
#3133C1 #C17731 #7BC131
monochromatic
#18195F #252690 #3133C1 #5A5CD5 #8B8CE2

Accessibility & contrast

On white

8.85
#3133C1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3133C1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133C1
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3133C1#FFFFFF#000000##FFFFFF
##3133C11.008.852.378.85
#FFFFFF8.851.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051C5
Deuteranopia (green-blind)
#0043BE
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3133c1;
/* rgb */ color: rgb(49, 51, 193);
/* oklch */ color: oklch(42.9% 0.213 272.3);
Tailwind
colors: {
  custom: {
    50: '#806cd5',
    500: '#3133c1',
    950: '#000000',
  },
}
SCSS
$custom: #3133c1;
$custom-light: #806cd5;
$custom-dark: #000000;
JSON
{
  "hex": "#3133c1",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 239.167,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.42926,
    "c": 0.21303,
    "h": 272.3
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary
#3133C1
secondary
#CCCB82
accent
#E045E3
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3133C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3133C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva