#378DBE#378DBE

#378DBE is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.3% C 0.110 H 237.6°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX#378DBE
RGBrgb(55, 141, 190)
HSLhsl(202, 55%, 48%)
HSVhsv(202, 71%, 75%)
CMYKcmyk(71.1%, 25.8%, 0%, 25.5%)
CIE-LABlab(55.66, -9.57, -32.96)
CIE-LCHlch(55.66, 34.32, 253.81°)
OKLaboklab(61.33% -0.059 -0.0928)
OKLCHoklch(61.33% 0.11 237.6)
XYZxyz(20.3910, 23.5774, 52.1814)
Luminance0.2358 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#378DBE #BE6837
analogous
#37BEAB #378DBE #3749BE
triadic
#378DBE #BE378D #8DBE37
tetradic
#378DBE #AB37BE #BE6837 #49BE37
square
#378DBE #AB37BE #BE6837 #49BE37
split-complementary
#378DBE #BE3749 #BEAB37
monochromatic
#1C475F #296A8F #378DBE #61A8D1 #90C2DF

Accessibility & contrast

On white

3.67
#378DBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.72
#378DBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DBE
5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##378DBE#FFFFFF#000000##000000
##378DBE1.003.675.725.72
#FFFFFF3.671.0021.0021.00
#0000005.7221.001.001.00
##0000005.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#768DC0
Deuteranopia (green-blind)
#6380BD
Tritanopia (blue-blind)
#009A9E
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #378dbe;
/* rgb */ color: rgb(55, 141, 190);
/* oklch */ color: oklch(61.3% 0.110 237.6);
Tailwind
colors: {
  custom: {
    50: '#7eaed1',
    500: '#378dbe',
    950: '#000000',
  },
}
SCSS
$custom: #378dbe;
$custom-light: #7eaed1;
$custom-dark: #000000;
JSON
{
  "hex": "#378dbe",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 190
  },
  "hsl": {
    "h": 201.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61332,
    "c": 0.11002,
    "h": 237.6
  },
  "luminance": 0.2358
}

Semantic roles & 50–950 ramp

primary
#378DBE
secondary
#CA9F87
accent
#7F49DE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #378DBE

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

Preview Lab → · Contrast checker → · Palette generator →

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