#3788C0#3788C0

#3788C0 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.116 H 242.5°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#3788C0
RGBrgb(55, 136, 192)
HSLhsl(205, 55%, 48%)
HSVhsv(205, 71%, 75%)
CMYKcmyk(71.4%, 29.2%, 0%, 24.7%)
CIE-LABlab(54.26, -6.01, -36.28)
CIE-LCHlch(54.26, 36.78, 260.59°)
OKLaboklab(60.25% -0.0534 -0.1025)
OKLCHoklch(60.25% 0.116 242.5)
XYZxyz(19.8905, 22.2241, 53.1004)
Luminance0.2223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3788C0 #C06F37
analogous
#37C0B4 #3788C0 #3743C0
triadic
#3788C0 #C03788 #88C037
tetradic
#3788C0 #B437C0 #C06F37 #43C037
square
#3788C0 #B437C0 #C06F37 #43C037
split-complementary
#3788C0 #C03743 #C0B437
monochromatic
#1C4561 #296690 #3788C0 #62A4D2 #92C0E0

Accessibility & contrast

On white

3.86
#3788C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#3788C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788C0
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3788C0#FFFFFF#000000##000000
##3788C01.003.865.455.45
#FFFFFF3.861.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E89C2
Deuteranopia (green-blind)
#5B7CBF
Tritanopia (blue-blind)
#00969C
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3788c0;
/* rgb */ color: rgb(55, 136, 192);
/* oklch */ color: oklch(60.3% 0.116 242.5);
Tailwind
colors: {
  custom: {
    50: '#7faad3',
    500: '#3788c0',
    950: '#000000',
  },
}
SCSS
$custom: #3788c0;
$custom-light: #7faad3;
$custom-dark: #000000;
JSON
{
  "hex": "#3788c0",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 192
  },
  "hsl": {
    "h": 204.526,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60254,
    "c": 0.11561,
    "h": 242.5
  },
  "luminance": 0.22226
}

Semantic roles & 50–950 ramp

primary
#3788C0
secondary
#CBA388
accent
#8649DF
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3788C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3788C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva