#3B4BD1#3B4BD1

#3B4BD1 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 48.8% C 0.205 H 271.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#3B4BD1
RGBrgb(59, 75, 209)
HSLhsl(234, 62%, 53%)
HSVhsv(234, 72%, 82%)
CMYKcmyk(71.8%, 64.1%, 0%, 18%)
CIE-LABlab(38.84, 38.70, -70.79)
CIE-LCHlch(38.84, 80.68, 298.67°)
OKLaboklab(48.82% 0.0042 -0.2046)
OKLCHoklch(48.82% 0.205 271.2)
XYZxyz(15.8244, 10.5638, 61.5143)
Luminance0.1056 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B4BD1 #D1C13B
analogous
#3B96D1 #3B4BD1 #763BD1
triadic
#3B4BD1 #D13B4B #4BD13B
tetradic
#3B4BD1 #D13B96 #D1C13B #3BD176
square
#3B4BD1 #D13B96 #D1C13B #3BD176
split-complementary
#3B4BD1 #D1763B #96D13B
monochromatic
#1C2576 #2735A7 #3B4BD1 #6D79DD #9EA6E8

Accessibility & contrast

On white

6.75
#3B4BD1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#3B4BD1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4BD1
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B4BD1#FFFFFF#000000##FFFFFF
##3B4BD11.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063D5
Deuteranopia (green-blind)
#0055CE
Tritanopia (blue-blind)
#006E87
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #3b4bd1;
/* rgb */ color: rgb(59, 75, 209);
/* oklch */ color: oklch(48.8% 0.205 271.2);
Tailwind
colors: {
  custom: {
    50: '#857de0',
    500: '#3b4bd1',
    950: '#000000',
  },
}
SCSS
$custom: #3b4bd1;
$custom-light: #857de0;
$custom-dark: #000000;
JSON
{
  "hex": "#3b4bd1",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 209
  },
  "hsl": {
    "h": 233.6,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48823,
    "c": 0.20461,
    "h": 271.2
  },
  "luminance": 0.10565
}

Semantic roles & 50–950 ramp

primary
#3B4BD1
secondary
#D4CE93
accent
#D443E5
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3B4BD1

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

Preview Lab → · Contrast checker → · Palette generator →

#3B4BD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva