#3133AF#3133AF

#3133AF is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.191 H 273.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#3133AF
RGBrgb(49, 51, 175)
HSLhsl(239, 56%, 44%)
HSVhsv(239, 72%, 69%)
CMYKcmyk(72%, 70.9%, 0%, 31.4%)
CIE-LABlab(29.70, 40.51, -65.86)
CIE-LCHlch(29.70, 77.32, 301.60°)
OKLaboklab(41.09% 0.0115 -0.1904)
OKLCHoklch(41.09% 0.191 273.4)
XYZxyz(10.1857, 6.1148, 41.1926)
Luminance0.0612 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3133AF #AFAD31
analogous
#3172AF #3133AF #6E31AF
triadic
#3133AF #AF3133 #33AF31
tetradic
#3133AF #AF3172 #AFAD31 #31AF6E
square
#3133AF #AF3172 #AFAD31 #31AF6E
split-complementary
#3133AF #AF6E31 #72AF31
monochromatic
#16174F #24257F #3133AF #4F51CE #7F81DB

Accessibility & contrast

On white

9.45
#3133AF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#3133AF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133AF
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3133AF#FFFFFF#000000##FFFFFF
##3133AF1.009.452.229.45
#FFFFFF9.451.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004CB3
Deuteranopia (green-blind)
#0040AD
Tritanopia (blue-blind)
#00556D
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #3133af;
/* rgb */ color: rgb(49, 51, 175);
/* oklch */ color: oklch(41.1% 0.191 273.4);
Tailwind
colors: {
  custom: {
    50: '#7c6cc8',
    500: '#3133af',
    950: '#000000',
  },
}
SCSS
$custom: #3133af;
$custom-light: #7c6cc8;
$custom-dark: #000000;
JSON
{
  "hex": "#3133af",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 175
  },
  "hsl": {
    "h": 239.048,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41092,
    "c": 0.19079,
    "h": 273.4
  },
  "luminance": 0.06116
}

Semantic roles & 50–950 ramp

primary
#3133AF
secondary
#C4C378
accent
#DD48E0
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0713
muted
#7C7A82

Preview Lab

Preview with #3133AF

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

Preview Lab → · Contrast checker → · Palette generator →

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