#3177B2#3177B2

#3177B2 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.116 H 247.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3177B2
RGBrgb(49, 119, 178)
HSLhsl(207, 57%, 45%)
HSVhsv(207, 72%, 70%)
CMYKcmyk(72.5%, 33.1%, 0%, 30.2%)
CIE-LABlab(48.33, -1.82, -37.57)
CIE-LCHlch(48.33, 37.62, 267.22°)
OKLaboklab(55.3% -0.0445 -0.1066)
OKLCHoklch(55.3% 0.116 247.3)
XYZxyz(15.8963, 17.0592, 44.5658)
Luminance0.1706 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3177B2 #B26C31
analogous
#31B2AD #3177B2 #3137B2
triadic
#3177B2 #B23177 #77B231
tetradic
#3177B2 #AD31B2 #B26C31 #37B231
square
#3177B2 #AD31B2 #B26C31 #37B231
split-complementary
#3177B2 #B23137 #B2AD31
monochromatic
#173752 #245782 #3177B2 #5195CF #81B3DC

Accessibility & contrast

On white

4.76
#3177B2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.41
#3177B2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177B2
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3177B2#FFFFFF#000000##FFFFFF
##3177B21.004.764.414.76
#FFFFFF4.761.0021.001.00
#0000004.4121.001.0021.00
##FFFFFF4.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C79B5
Deuteranopia (green-blind)
#4A6DB1
Tritanopia (blue-blind)
#00858C
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3177b2;
/* rgb */ color: rgb(49, 119, 178);
/* oklch */ color: oklch(55.3% 0.116 247.3);
Tailwind
colors: {
  custom: {
    50: '#799dc9',
    500: '#3177b2',
    950: '#000000',
  },
}
SCSS
$custom: #3177b2;
$custom-light: #799dc9;
$custom-dark: #000000;
JSON
{
  "hex": "#3177b2",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 178
  },
  "hsl": {
    "h": 207.442,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55301,
    "c": 0.1155,
    "h": 247.3
  },
  "luminance": 0.17061
}

Semantic roles & 50–950 ramp

primary
#3177B2
secondary
#C59C79
accent
#8D48E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3177B2

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

Preview Lab → · Contrast checker → · Palette generator →

#3177B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva