#3B78C8#3B78C8

#3B78C8 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.139 H 256.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#3B78C8
RGBrgb(59, 120, 200)
HSLhsl(214, 56%, 51%)
HSVhsv(214, 71%, 78%)
CMYKcmyk(70.5%, 40%, 0%, 21.6%)
CIE-LABlab(50.13, 6.99, -47.36)
CIE-LCHlch(50.13, 47.88, 278.40°)
OKLaboklab(57.18% -0.0332 -0.1351)
OKLCHoklch(57.18% 0.139 256.2)
XYZxyz(18.9416, 18.5309, 57.2109)
Luminance0.1853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B78C8 #C88B3B
analogous
#3BBEC8 #3B78C8 #453BC8
triadic
#3B78C8 #C83B78 #78C83B
tetradic
#3B78C8 #C83BBE #C88B3B #3BC845
square
#3B78C8 #C83BBE #C88B3B #3BC845
split-complementary
#3B78C8 #C8453B #BEC83B
monochromatic
#1E3F6B #2B5B9A #3B78C8 #6B99D5 #9BBAE3

Accessibility & contrast

On white

4.46
#3B78C8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.71
#3B78C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78C8
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B78C8#FFFFFF#000000##000000
##3B78C81.004.464.714.71
#FFFFFF4.461.0021.0021.00
#0000004.7121.001.001.00
##0000004.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#537ECB
Deuteranopia (green-blind)
#3D71C6
Tritanopia (blue-blind)
#008B96
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3b78c8;
/* rgb */ color: rgb(59, 120, 200);
/* oklch */ color: oklch(57.2% 0.139 256.2);
Tailwind
colors: {
  custom: {
    50: '#819ed9',
    500: '#3b78c8',
    950: '#000000',
  },
}
SCSS
$custom: #3b78c8;
$custom-light: #819ed9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b78c8",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 214.043,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57184,
    "c": 0.1391,
    "h": 256.2
  },
  "luminance": 0.18533
}

Semantic roles & 50–950 ramp

primary
#3B78C8
secondary
#CFB490
accent
#9E48DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3B78C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3B78C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva