#3797BF#3797BF

#3797BF is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.8% C 0.106 H 229.6°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#3797BF
RGBrgb(55, 151, 191)
HSLhsl(198, 55%, 48%)
HSVhsv(198, 71%, 75%)
CMYKcmyk(71.2%, 20.9%, 0%, 25.1%)
CIE-LABlab(58.70, -14.79, -28.80)
CIE-LCHlch(58.70, 32.38, 242.82°)
OKLaboklab(63.77% -0.0687 -0.0808)
OKLCHoklch(63.77% 0.106 229.6)
XYZxyz(22.0423, 26.7045, 53.2729)
Luminance0.2671 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3797BF #BF5F37
analogous
#37BFA3 #3797BF #3753BF
triadic
#3797BF #BF3797 #97BF37
tetradic
#3797BF #A337BF #BF5F37 #53BF37
square
#3797BF #A337BF #BF5F37 #53BF37
split-complementary
#3797BF #BF3753 #BFA337
monochromatic
#1C4C60 #29718F #3797BF #62B1D2 #91C8DF

Accessibility & contrast

On white

3.31
#3797BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.34
#3797BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3797BF
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3797BF#FFFFFF#000000##000000
##3797BF1.003.316.346.34
#FFFFFF3.311.0021.0021.00
#0000006.3421.001.001.00
##0000006.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8295C1
Deuteranopia (green-blind)
#7087BE
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3797bf;
/* rgb */ color: rgb(55, 151, 191);
/* oklch */ color: oklch(63.8% 0.106 229.6);
Tailwind
colors: {
  custom: {
    50: '#7fb5d2',
    500: '#3797bf',
    950: '#000000',
  },
}
SCSS
$custom: #3797bf;
$custom-light: #7fb5d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3797bf",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 197.647,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.63765,
    "c": 0.10603,
    "h": 229.6
  },
  "luminance": 0.26707
}

Semantic roles & 50–950 ramp

primary
#3797BF
secondary
#CA9B88
accent
#7549DF
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #3797BF

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

Preview Lab → · Contrast checker → · Palette generator →

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