#3B78CE#3B78CE

#3B78CE is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.147 H 257.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3B78CE
RGBrgb(59, 120, 206)
HSLhsl(215, 60%, 52%)
HSVhsv(215, 71%, 81%)
CMYKcmyk(71.4%, 41.7%, 0%, 19.2%)
CIE-LABlab(50.47, 9.16, -50.25)
CIE-LCHlch(50.47, 51.07, 280.34°)
OKLaboklab(57.56% -0.0319 -0.1435)
OKLCHoklch(57.56% 0.147 257.5)
XYZxyz(19.6566, 18.8169, 60.9766)
Luminance0.1882 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B78CE #CE913B
analogous
#3BC2CE #3B78CE #483BCE
triadic
#3B78CE #CE3B78 #78CE3B
tetradic
#3B78CE #CE3BC2 #CE913B #3BCE48
square
#3B78CE #CE3BC2 #CE913B #3BCE48
split-complementary
#3B78CE #CE483B #C2CE3B
monochromatic
#1D4072 #295CA3 #3B78CE #6C9ADA #9DBBE6

Accessibility & contrast

On white

4.41
#3B78CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#3B78CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78CE
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B78CE#FFFFFF#000000##000000
##3B78CE1.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4F7FD1
Deuteranopia (green-blind)
#3672CC
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3b78ce;
/* rgb */ color: rgb(59, 120, 206);
/* oklch */ color: oklch(57.6% 0.147 257.5);
Tailwind
colors: {
  custom: {
    50: '#829edd',
    500: '#3b78ce',
    950: '#000000',
  },
}
SCSS
$custom: #3b78ce;
$custom-light: #829edd;
$custom-dark: #000000;
JSON
{
  "hex": "#3b78ce",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 215.102,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57557,
    "c": 0.14705,
    "h": 257.5
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary
#3B78CE
secondary
#D3B892
accent
#A145E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3B78CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B78CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva