#3D78BD#3D78BD

#3D78BD is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.124 H 253.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#3D78BD
RGBrgb(61, 120, 189)
HSLhsl(212, 51%, 49%)
HSVhsv(212, 68%, 74%)
CMYKcmyk(67.7%, 36.5%, 0%, 25.9%)
CIE-LABlab(49.61, 3.37, -41.88)
CIE-LCHlch(49.61, 42.01, 274.60°)
OKLaboklab(56.61% -0.0344 -0.119)
OKLCHoklch(56.61% 0.124 253.9)
XYZxyz(17.8229, 18.0973, 50.6881)
Luminance0.1810 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D78BD #BD823D
analogous
#3DB8BD #3D78BD #423DBD
triadic
#3D78BD #BD3D78 #78BD3D
tetradic
#3D78BD #BD3DB8 #BD823D #3DBD42
square
#3D78BD #BD3DB8 #BD823D #3DBD42
split-complementary
#3D78BD #BD423D #B8BD3D
monochromatic
#1F3D60 #2E5B8F #3D78BD #6998CE #97B7DD

Accessibility & contrast

On white

4.55
#3D78BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#3D78BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78BD
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D78BD#FFFFFF#000000##000000
##3D78BD1.004.554.624.62
#FFFFFF4.551.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#597DC0
Deuteranopia (green-blind)
#4770BC
Tritanopia (blue-blind)
#008891
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3d78bd;
/* rgb */ color: rgb(61, 120, 189);
/* oklch */ color: oklch(56.6% 0.124 253.9);
Tailwind
colors: {
  custom: {
    50: '#809ed1',
    500: '#3d78bd',
    950: '#000000',
  },
}
SCSS
$custom: #3d78bd;
$custom-light: #809ed1;
$custom-dark: #000000;
JSON
{
  "hex": "#3d78bd",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 212.344,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56606,
    "c": 0.12386,
    "h": 253.9
  },
  "luminance": 0.18099
}

Semantic roles & 50–950 ramp

primary
#3D78BD
secondary
#C9AD8D
accent
#994DDB
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #3D78BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3D78BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva