#3D78C8#3D78C8

#3D78C8 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.138 H 256.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3D78C8
RGBrgb(61, 120, 200)
HSLhsl(215, 56%, 51%)
HSVhsv(215, 70%, 78%)
CMYKcmyk(69.5%, 40%, 0%, 21.6%)
CIE-LABlab(50.21, 7.30, -47.24)
CIE-LCHlch(50.21, 47.80, 278.78°)
OKLaboklab(57.26% -0.0318 -0.1347)
OKLCHoklch(57.26% 0.138 256.7)
XYZxyz(19.0625, 18.5932, 57.2166)
Luminance0.1860 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D78C8 #C88D3D
analogous
#3DBDC8 #3D78C8 #473DC8
triadic
#3D78C8 #C83D78 #78C83D
tetradic
#3D78C8 #C83DBD #C88D3D #3DC847
square
#3D78C8 #C83DBD #C88D3D #3DC847
split-complementary
#3D78C8 #C8473D #BDC83D
monochromatic
#1F3F6C #2C5B9C #3D78C8 #6D99D6 #9CBAE3

Accessibility & contrast

On white

4.45
#3D78C8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#3D78C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78C8
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D78C8#FFFFFF#000000##000000
##3D78C81.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#537ECB
Deuteranopia (green-blind)
#3D72C6
Tritanopia (blue-blind)
#008B96
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3d78c8;
/* rgb */ color: rgb(61, 120, 200);
/* oklch */ color: oklch(57.3% 0.138 256.7);
Tailwind
colors: {
  custom: {
    50: '#829ed9',
    500: '#3d78c8',
    950: '#000000',
  },
}
SCSS
$custom: #3d78c8;
$custom-light: #829ed9;
$custom-dark: #000000;
JSON
{
  "hex": "#3d78c8",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 214.532,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57262,
    "c": 0.13839,
    "h": 256.7
  },
  "luminance": 0.18595
}

Semantic roles & 50–950 ramp

primary
#3D78C8
secondary
#CFB592
accent
#9F49DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3D78C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3D78C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva