#3B33CC#3B33CC

#3B33CC is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.7% C 0.224 H 274.7°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX#3B33CC
RGBrgb(59, 51, 204)
HSLhsl(243, 60%, 50%)
HSVhsv(243, 75%, 80%)
CMYKcmyk(71.1%, 75%, 0%, 20%)
CIE-LABlab(33.26, 51.01, -77.07)
CIE-LCHlch(33.26, 92.43, 303.50°)
OKLaboklab(44.66% 0.0185 -0.2229)
OKLCHoklch(44.66% 0.224 274.7)
XYZxyz(13.8829, 7.6557, 57.8611)
Luminance0.0766 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B33CC #C4CC33
analogous
#3378CC #3B33CC #8733CC
triadic
#3B33CC #CC3B33 #33CC3B
tetradic
#3B33CC #CC3378 #C4CC33 #33CC87
square
#3B33CC #CC3378 #C4CC33 #33CC87
split-complementary
#3B33CC #CC8733 #78CC33
monochromatic
#1F1B6A #2D279B #3B33CC #6A64D8 #9995E4

Accessibility & contrast

On white

8.30
#3B33CC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#3B33CC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33CC
8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B33CC#FFFFFF#000000##FFFFFF
##3B33CC1.008.302.538.30
#FFFFFF8.301.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055D0
Deuteranopia (green-blind)
#0047C9
Tritanopia (blue-blind)
#00607D
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3b33cc;
/* rgb */ color: rgb(59, 51, 204);
/* oklch */ color: oklch(44.7% 0.224 274.7);
Tailwind
colors: {
  custom: {
    50: '#866ddd',
    500: '#3b33cc',
    950: '#000000',
  },
}
SCSS
$custom: #3b33cc;
$custom-light: #866ddd;
$custom-dark: #000000;
JSON
{
  "hex": "#3b33cc",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 204
  },
  "hsl": {
    "h": 243.137,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.44663,
    "c": 0.22365,
    "h": 274.7
  },
  "luminance": 0.07657
}

Semantic roles & 50–950 ramp

primary
#3B33CC
secondary
#CCD08B
accent
#E345DB
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3B33CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3B33CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva