#3B3BBE#3B3BBE

#3B3BBE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.199 H 274.7°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX#3B3BBE
RGBrgb(59, 59, 190)
HSLhsl(240, 53%, 49%)
HSVhsv(240, 69%, 75%)
CMYKcmyk(68.9%, 68.9%, 0%, 25.5%)
CIE-LABlab(33.51, 41.94, -68.47)
CIE-LCHlch(33.51, 80.29, 301.49°)
OKLaboklab(44.43% 0.0164 -0.1978)
OKLCHoklch(44.43% 0.199 274.7)
XYZxyz(12.6588, 7.7743, 49.5387)
Luminance0.0777 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B3BBE #BEBE3B
analogous
#3B7DBE #3B3BBE #7D3BBE
triadic
#3B3BBE #BE3B3B #3BBE3B
tetradic
#3B3BBE #BE3B7D #BEBE3B #3BBE7D
square
#3B3BBE #BE3B7D #BEBE3B #3BBE7D
split-complementary
#3B3BBE #BE7D3B #7DBE3B
monochromatic
#1E1E61 #2C2C8F #3B3BBE #6767D0 #9595DE

Accessibility & contrast

On white

8.22
#3B3BBE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#3B3BBE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BBE
8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B3BBE#FFFFFF#000000##FFFFFF
##3B3BBE1.008.222.558.22
#FFFFFF8.221.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C2
Deuteranopia (green-blind)
#0049BC
Tritanopia (blue-blind)
#005F78
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #3b3bbe;
/* rgb */ color: rgb(59, 59, 190);
/* oklch */ color: oklch(44.4% 0.199 274.7);
Tailwind
colors: {
  custom: {
    50: '#8372d3',
    500: '#3b3bbe',
    950: '#000000',
  },
}
SCSS
$custom: #3b3bbe;
$custom-light: #8372d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3b3bbe",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 240,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44432,
    "c": 0.1985,
    "h": 274.7
  },
  "luminance": 0.07775
}

Semantic roles & 50–950 ramp

primary
#3B3BBE
secondary
#CACA8B
accent
#DC4CDC
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #3B3BBE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B3BBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva