#3797BE#3797BE

#3797BE is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.7% C 0.105 H 229.0°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#3797BE
RGBrgb(55, 151, 190)
HSLhsl(197, 55%, 48%)
HSVhsv(197, 71%, 75%)
CMYKcmyk(71.1%, 20.5%, 0%, 25.5%)
CIE-LABlab(58.66, -15.12, -28.30)
CIE-LCHlch(58.66, 32.09, 241.88°)
OKLaboklab(63.72% -0.069 -0.0794)
OKLCHoklch(63.72% 0.105 229)
XYZxyz(21.9327, 26.6607, 52.6953)
Luminance0.2666 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3797BE #BE5E37
analogous
#37BEA1 #3797BE #3754BE
triadic
#3797BE #BE3797 #97BE37
tetradic
#3797BE #A137BE #BE5E37 #54BE37
square
#3797BE #A137BE #BE5E37 #54BE37
split-complementary
#3797BE #BE3754 #BEA137
monochromatic
#1C4C5F #29718F #3797BE #61B1D1 #90C8DF

Accessibility & contrast

On white

3.32
#3797BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#3797BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797BE
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3797BE#FFFFFF#000000##000000
##3797BE1.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8395C0
Deuteranopia (green-blind)
#7087BD
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3797be;
/* rgb */ color: rgb(55, 151, 190);
/* oklch */ color: oklch(63.7% 0.105 229.0);
Tailwind
colors: {
  custom: {
    50: '#7fb5d1',
    500: '#3797be',
    950: '#000000',
  },
}
SCSS
$custom: #3797be;
$custom-light: #7fb5d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3797be",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 190
  },
  "hsl": {
    "h": 197.333,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.63719,
    "c": 0.10519,
    "h": 229
  },
  "luminance": 0.26663
}

Semantic roles & 50–950 ramp

primary
#3797BE
secondary
#CA9A87
accent
#7449DE
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #3797BE

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

Preview Lab → · Contrast checker → · Palette generator →

#3797BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva