#3177B8#3177B8

#3177B8 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.123 H 249.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#3177B8
RGBrgb(49, 119, 184)
HSLhsl(209, 58%, 46%)
HSVhsv(209, 73%, 72%)
CMYKcmyk(73.4%, 35.3%, 0%, 27.8%)
CIE-LABlab(48.64, 0.36, -40.56)
CIE-LCHlch(48.64, 40.56, 270.51°)
OKLaboklab(55.64% -0.0428 -0.1153)
OKLCHoklch(55.64% 0.123 249.6)
XYZxyz(16.5119, 17.3055, 47.8082)
Luminance0.1731 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3177B8 #B87231
analogous
#31B8B5 #3177B8 #3133B8
triadic
#3177B8 #B83177 #77B831
tetradic
#3177B8 #B531B8 #B87231 #33B831
square
#3177B8 #B531B8 #B87231 #33B831
split-complementary
#3177B8 #B83133 #B8B531
monochromatic
#173857 #245888 #3177B8 #5595D2 #85B3DE

Accessibility & contrast

On white

4.71
#3177B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#3177B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177B8
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3177B8#FFFFFF#000000##FFFFFF
##3177B81.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#597ABB
Deuteranopia (green-blind)
#466EB7
Tritanopia (blue-blind)
#00868F
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #3177b8;
/* rgb */ color: rgb(49, 119, 184);
/* oklch */ color: oklch(55.6% 0.123 249.6);
Tailwind
colors: {
  custom: {
    50: '#7b9dcd',
    500: '#3177b8',
    950: '#000000',
  },
}
SCSS
$custom: #3177b8;
$custom-light: #7b9dcd;
$custom-dark: #000000;
JSON
{
  "hex": "#3177b8",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 208.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55644,
    "c": 0.12299,
    "h": 249.6
  },
  "luminance": 0.17307
}

Semantic roles & 50–950 ramp

primary
#3177B8
secondary
#C8A17D
accent
#9147E1
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3177B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3177B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva