#3133CE#3133CE

#3133CE is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.229 H 271.6°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#3133CE
RGBrgb(49, 51, 206)
HSLhsl(239, 62%, 50%)
HSVhsv(239, 76%, 81%)
CMYKcmyk(76.2%, 75.2%, 0%, 19.2%)
CIE-LABlab(32.87, 50.81, -78.90)
CIE-LCHlch(32.87, 93.85, 302.78°)
OKLaboklab(44.29% 0.0064 -0.2284)
OKLCHoklch(44.29% 0.229 271.6)
XYZxyz(13.5873, 7.4754, 59.1074)
Luminance0.0748 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3133CE #CECC31
analogous
#3181CE #3133CE #7E31CE
triadic
#3133CE #CE3133 #33CE31
tetradic
#3133CE #CE3181 #CECC31 #31CE7E
square
#3133CE #CE3181 #CECC31 #31CE7E
split-complementary
#3133CE #CE7E31 #81CE31
monochromatic
#191B6B #25279D #3133CE #6264DA #9495E6

Accessibility & contrast

On white

8.42
#3133CE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#3133CE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133CE
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3133CE#FFFFFF#000000##FFFFFF
##3133CE1.008.422.508.42
#FFFFFF8.421.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055D2
Deuteranopia (green-blind)
#0045CB
Tritanopia (blue-blind)
#00617F
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3133ce;
/* rgb */ color: rgb(49, 51, 206);
/* oklch */ color: oklch(44.3% 0.229 271.6);
Tailwind
colors: {
  custom: {
    50: '#836dde',
    500: '#3133ce',
    950: '#000000',
  },
}
SCSS
$custom: #3133ce;
$custom-light: #836dde;
$custom-dark: #000000;
JSON
{
  "hex": "#3133ce",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 206
  },
  "hsl": {
    "h": 239.236,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.44291,
    "c": 0.22851,
    "h": 271.6
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary
#3133CE
secondary
#D1D08A
accent
#E343E5
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3133CE

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

Preview Lab → · Contrast checker → · Palette generator →

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