#378FC3#378FC3

#378FC3 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.1% C 0.114 H 238.6°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#378FC3
RGBrgb(55, 143, 195)
HSLhsl(202, 56%, 49%)
HSVhsv(202, 72%, 76%)
CMYKcmyk(71.8%, 26.7%, 0%, 23.5%)
CIE-LABlab(56.48, -8.98, -34.51)
CIE-LCHlch(56.48, 35.66, 255.42°)
OKLaboklab(62.06% -0.0593 -0.0973)
OKLCHoklch(62.06% 0.114 238.6)
XYZxyz(21.2445, 24.3949, 55.2082)
Luminance0.2440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#378FC3 #C36B37
analogous
#37C3B1 #378FC3 #3749C3
triadic
#378FC3 #C3378F #8FC337
tetradic
#378FC3 #B137C3 #C36B37 #49C337
square
#378FC3 #B137C3 #C36B37 #49C337
split-complementary
#378FC3 #C33749 #C3B137
monochromatic
#1C4964 #2A6C93 #378FC3 #64AAD3 #94C4E1

Accessibility & contrast

On white

3.57
#378FC3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#378FC3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FC3
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##378FC3#FFFFFF#000000##000000
##378FC31.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#778FC5
Deuteranopia (green-blind)
#6381C2
Tritanopia (blue-blind)
#009CA1
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #378fc3;
/* rgb */ color: rgb(55, 143, 195);
/* oklch */ color: oklch(62.1% 0.114 238.6);
Tailwind
colors: {
  custom: {
    50: '#7fafd5',
    500: '#378fc3',
    950: '#000000',
  },
}
SCSS
$custom: #378fc3;
$custom-light: #7fafd5;
$custom-dark: #000000;
JSON
{
  "hex": "#378fc3",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 195
  },
  "hsl": {
    "h": 202.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62056,
    "c": 0.11399,
    "h": 238.6
  },
  "luminance": 0.24397
}

Semantic roles & 50–950 ramp

primary
#378FC3
secondary
#CCA28A
accent
#8149DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #378FC3

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

Preview Lab → · Contrast checker → · Palette generator →

#378FC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva