#3797D8#3797D8

#3797D8 is a light, vivid cyan. Relative luminance 0.279; OKLCH L 65.0% C 0.131 H 242.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#3797D8
RGBrgb(55, 151, 216)
HSLhsl(204, 67%, 53%)
HSVhsv(204, 75%, 85%)
CMYKcmyk(74.5%, 30.1%, 0%, 15.3%)
CIE-LABlab(59.80, -6.22, -41.12)
CIE-LCHlch(59.80, 41.58, 261.39°)
OKLaboklab(65% -0.0603 -0.1164)
OKLCHoklch(65% 0.131 242.6)
XYZxyz(25.0320, 27.9004, 69.0185)
Luminance0.2790 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3797D8 #D87837
analogous
#37D8C9 #3797D8 #3746D8
triadic
#3797D8 #D83797 #97D837
tetradic
#3797D8 #C937D8 #D87837 #46D837
square
#3797D8 #C937D8 #D87837 #46D837
split-complementary
#3797D8 #D83746 #D8C937
monochromatic
#18547C #2277B0 #3797D8 #6AB2E2 #9DCCEC

Accessibility & contrast

On white

3.19
#3797D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#3797D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797D8
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3797D8#FFFFFF#000000##000000
##3797D81.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7998DB
Deuteranopia (green-blind)
#6389D7
Tritanopia (blue-blind)
#00A7AE
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #3797d8;
/* rgb */ color: rgb(55, 151, 216);
/* oklch */ color: oklch(65.0% 0.131 242.6);
Tailwind
colors: {
  custom: {
    50: '#83b5e4',
    500: '#3797d8',
    950: '#000000',
  },
}
SCSS
$custom: #3797d8;
$custom-light: #83b5e4;
$custom-dark: #000000;
JSON
{
  "hex": "#3797d8",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 216
  },
  "hsl": {
    "h": 204.224,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65001,
    "c": 0.13112,
    "h": 242.6
  },
  "luminance": 0.27903
}

Semantic roles & 50–950 ramp

primary
#3797D8
secondary
#D8AF93
accent
#833EEA
background
#F8FBFE
surface
#F0F6FC
border
#CBD0D5
text
#0C1115
muted
#7D8084

Preview Lab

Preview with #3797D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3797D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva