#3B78DE#3B78DE

#3B78DE is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.6% C 0.168 H 260.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#3B78DE
RGBrgb(59, 120, 222)
HSLhsl(218, 71%, 55%)
HSVhsv(218, 73%, 87%)
CMYKcmyk(73.4%, 45.9%, 0%, 12.9%)
CIE-LABlab(51.42, 14.99, -57.79)
CIE-LCHlch(51.42, 59.70, 284.54°)
OKLaboklab(58.6% -0.029 -0.1657)
OKLCHoklch(58.6% 0.168 260.1)
XYZxyz(21.7002, 19.6343, 71.7392)
Luminance0.1964 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B78DE #DEA13B
analogous
#3BC9DE #3B78DE #4F3BDE
triadic
#3B78DE #DE3B78 #78DE3B
tetradic
#3B78DE #DE3BC9 #DEA13B #3BDE4F
square
#3B78DE #DE3BC9 #DEA13B #3BDE4F
split-complementary
#3B78DE #DE4F3B #C9DE3B
monochromatic
#174188 #205ABC #3B78DE #6F9CE7 #A4C0F0

Accessibility & contrast

On white

4.26
#3B78DE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#3B78DE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78DE
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B78DE#FFFFFF#000000##000000
##3B78DE1.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4283E2
Deuteranopia (green-blind)
#1B74DC
Tritanopia (blue-blind)
#0090A0
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #3b78de;
/* rgb */ color: rgb(59, 120, 222);
/* oklch */ color: oklch(58.6% 0.168 260.1);
Tailwind
colors: {
  custom: {
    50: '#869ee9',
    500: '#3b78de',
    950: '#000000',
  },
}
SCSS
$custom: #3b78de;
$custom-light: #869ee9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b78de",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 222
  },
  "hsl": {
    "h": 217.546,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58596,
    "c": 0.16823,
    "h": 260.1
  },
  "luminance": 0.19637
}

Semantic roles & 50–950 ramp

primary
#3B78DE
secondary
#DDC398
accent
#AB3AEE
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0E16
muted
#7D7E84

Preview Lab

Preview with #3B78DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B78DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva