#3B4DBF#3B4DBF

#3B4DBF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.179 H 271.1°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#3B4DBF
RGBrgb(59, 77, 191)
HSLhsl(232, 53%, 49%)
HSVhsv(232, 69%, 75%)
CMYKcmyk(69.1%, 59.7%, 0%, 25.1%)
CIE-LABlab(37.84, 31.10, -61.97)
CIE-LCHlch(37.84, 69.33, 296.65°)
OKLaboklab(47.63% 0.0034 -0.1787)
OKLCHoklch(47.63% 0.179 271.1)
XYZxyz(13.8583, 9.9978, 50.4795)
Luminance0.1000 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B4DBF #BFAD3B
analogous
#3B8FBF #3B4DBF #6B3BBF
triadic
#3B4DBF #BF3B4D #4DBF3B
tetradic
#3B4DBF #BF3B8F #BFAD3B #3BBF6B
square
#3B4DBF #BF3B8F #BFAD3B #3BBF6B
split-complementary
#3B4DBF #BF6B3B #8FBF3B
monochromatic
#1E2761 #2D3A90 #3B4DBF #6775D0 #96A0DF

Accessibility & contrast

On white

7.00
#3B4DBF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

3.00
#3B4DBF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4DBF
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B4DBF#FFFFFF#000000##FFFFFF
##3B4DBF1.007.003.007.00
#FFFFFF7.001.0021.001.00
#0000003.0021.001.0021.00
##FFFFFF7.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FC3
Deuteranopia (green-blind)
#0053BD
Tritanopia (blue-blind)
#00697E
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #3b4dbf;
/* rgb */ color: rgb(59, 77, 191);
/* oklch */ color: oklch(47.6% 0.179 271.1);
Tailwind
colors: {
  custom: {
    50: '#817ed3',
    500: '#3b4dbf',
    950: '#000000',
  },
}
SCSS
$custom: #3b4dbf;
$custom-light: #817ed3;
$custom-dark: #000000;
JSON
{
  "hex": "#3b4dbf",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 191
  },
  "hsl": {
    "h": 231.818,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47628,
    "c": 0.1787,
    "h": 271.1
  },
  "luminance": 0.09999
}

Semantic roles & 50–950 ramp

primary
#3B4DBF
secondary
#CAC28C
accent
#C84CDC
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0A14
muted
#7D7C83

Preview Lab

Preview with #3B4DBF

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

Preview Lab → · Contrast checker → · Palette generator →

#3B4DBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva