#378ADA#378ADA

#378ADA is a light, vivid cyan. Relative luminance 0.241; OKLCH L 62.2% C 0.145 H 250.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#378ADA
RGBrgb(55, 138, 218)
HSLhsl(209, 69%, 54%)
HSVhsv(209, 75%, 85%)
CMYKcmyk(74.8%, 36.7%, 0%, 14.5%)
CIE-LABlab(56.14, 2.06, -48.02)
CIE-LCHlch(56.14, 48.06, 272.45°)
OKLaboklab(62.15% -0.0479 -0.1368)
OKLCHoklch(62.15% 0.145 250.7)
XYZxyz(23.3141, 24.0484, 69.7292)
Luminance0.2405 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#378ADA #DA8737
analogous
#37DAD8 #378ADA #3738DA
triadic
#378ADA #DA378A #8ADA37
tetradic
#378ADA #D837DA #DA8737 #38DA37
square
#378ADA #D837DA #DA8737 #38DA37
split-complementary
#378ADA #DA3738 #DAD837
monochromatic
#184C7F #216BB3 #378ADA #6BA8E4 #9EC6ED

Accessibility & contrast

On white

3.61
#378ADA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.81
#378ADA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ADA
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##378ADA#FFFFFF#000000##000000
##378ADA1.003.615.815.81
#FFFFFF3.611.0021.0021.00
#0000005.8121.001.001.00
##0000005.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#658FDD
Deuteranopia (green-blind)
#4C80D8
Tritanopia (blue-blind)
#009DA7
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #378ada;
/* rgb */ color: rgb(55, 138, 218);
/* oklch */ color: oklch(62.2% 0.145 250.7);
Tailwind
colors: {
  custom: {
    50: '#83abe6',
    500: '#378ada',
    950: '#000000',
  },
}
SCSS
$custom: #378ada;
$custom-light: #83abe6;
$custom-dark: #000000;
JSON
{
  "hex": "#378ada",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 209.448,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6215,
    "c": 0.14492,
    "h": 250.7
  },
  "luminance": 0.24051
}

Semantic roles & 50–950 ramp

primary
#378ADA
secondary
#D9B693
accent
#923CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #378ADA

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

Preview Lab → · Contrast checker → · Palette generator →

#378ADA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva