#3133C0#3133C0

#3133C0 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.212 H 272.4°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#3133C0
RGBrgb(49, 51, 192)
HSLhsl(239, 59%, 47%)
HSVhsv(239, 74%, 75%)
CMYKcmyk(74.5%, 73.4%, 0%, 24.7%)
CIE-LABlab(31.41, 46.23, -73.13)
CIE-LCHlch(31.41, 86.52, 302.30°)
OKLaboklab(42.82% 0.0088 -0.2116)
OKLCHoklch(42.82% 0.212 272.4)
XYZxyz(11.9617, 6.8251, 50.5459)
Luminance0.0683 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3133C0 #C0BE31
analogous
#317AC0 #3133C0 #7731C0
triadic
#3133C0 #C03133 #33C031
tetradic
#3133C0 #C0317A #C0BE31 #31C077
square
#3133C0 #C0317A #C0BE31 #31C077
split-complementary
#3133C0 #C07731 #7AC031
monochromatic
#18195E #25268F #3133C0 #595BD5 #8A8BE1

Accessibility & contrast

On white

8.88
#3133C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3133C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133C0
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3133C0#FFFFFF#000000##FFFFFF
##3133C01.008.882.378.88
#FFFFFF8.881.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051C4
Deuteranopia (green-blind)
#0043BD
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3133c0;
/* rgb */ color: rgb(49, 51, 192);
/* oklch */ color: oklch(42.8% 0.212 272.4);
Tailwind
colors: {
  custom: {
    50: '#806cd4',
    500: '#3133c0',
    950: '#000000',
  },
}
SCSS
$custom: #3133c0;
$custom-light: #806cd4;
$custom-dark: #000000;
JSON
{
  "hex": "#3133c0",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 239.161,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42822,
    "c": 0.21181,
    "h": 272.4
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary
#3133C0
secondary
#CBCA82
accent
#E045E3
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3133C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3133C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva