#3333C0#3333C0

#3333C0 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.211 H 273.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#3333C0
RGBrgb(51, 51, 192)
HSLhsl(240, 58%, 48%)
HSVhsv(240, 73%, 75%)
CMYKcmyk(73.4%, 73.4%, 0%, 24.7%)
CIE-LABlab(31.52, 46.41, -72.93)
CIE-LCHlch(31.52, 86.44, 302.47°)
OKLaboklab(42.94% 0.0111 -0.211)
OKLCHoklch(42.94% 0.211 273)
XYZxyz(12.0603, 6.8760, 50.5506)
Luminance0.0688 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3333C0 #C0C033
analogous
#3379C0 #3333C0 #7933C0
triadic
#3333C0 #C03333 #33C033
tetradic
#3333C0 #C03379 #C0C033 #33C079
square
#3333C0 #C03379 #C0C033 #33C079
split-complementary
#3333C0 #C07933 #79C033
monochromatic
#19195F #262690 #3333C0 #5C5CD4 #8D8DE1

Accessibility & contrast

On white

8.84
#3333C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.38
#3333C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C0
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3333C0#FFFFFF#000000##FFFFFF
##3333C01.008.842.388.84
#FFFFFF8.841.0021.001.00
#0000002.3821.001.0021.00
##FFFFFF8.841.0021.001.00

Color blindness preview

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

Design tokens & code

CSS
--color: #3333c0;
/* rgb */ color: rgb(51, 51, 192);
/* oklch */ color: oklch(42.9% 0.211 273.0);
Tailwind
colors: {
  custom: {
    50: '#816cd4',
    500: '#3333c0',
    950: '#000000',
  },
}
SCSS
$custom: #3333c0;
$custom-light: #816cd4;
$custom-dark: #000000;
JSON
{
  "hex": "#3333c0",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 240,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.42937,
    "c": 0.2113,
    "h": 273
  },
  "luminance": 0.06877
}

Semantic roles & 50–950 ramp

primary
#3333C0
secondary
#CBCB84
accent
#E147E1
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3333C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3333C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva