#3179B7#3179B7

#3179B7 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.120 H 247.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#3179B7
RGBrgb(49, 121, 183)
HSLhsl(208, 58%, 45%)
HSVhsv(208, 73%, 72%)
CMYKcmyk(73.2%, 33.9%, 0%, 28.2%)
CIE-LABlab(49.19, -1.21, -39.12)
CIE-LCHlch(49.19, 39.14, 268.22°)
OKLaboklab(56.05% -0.045 -0.1111)
OKLCHoklch(56.05% 0.12 247.9)
XYZxyz(16.6480, 17.7447, 47.3382)
Luminance0.1775 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3179B7 #B76F31
analogous
#31B7B2 #3179B7 #3136B7
triadic
#3179B7 #B73179 #79B731
tetradic
#3179B7 #B231B7 #B76F31 #36B731
square
#3179B7 #B231B7 #B76F31 #36B731
split-complementary
#3179B7 #B73136 #B7B231
monochromatic
#173956 #245987 #3179B7 #5497D1 #84B5DE

Accessibility & contrast

On white

4.62
#3179B7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#3179B7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B7
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3179B7#FFFFFF#000000##FFFFFF
##3179B71.004.624.554.62
#FFFFFF4.621.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D7CBA
Deuteranopia (green-blind)
#4A6FB6
Tritanopia (blue-blind)
#00888F
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3179b7;
/* rgb */ color: rgb(49, 121, 183);
/* oklch */ color: oklch(56.1% 0.120 247.9);
Tailwind
colors: {
  custom: {
    50: '#7a9fcd',
    500: '#3179b7',
    950: '#000000',
  },
}
SCSS
$custom: #3179b7;
$custom-light: #7a9fcd;
$custom-dark: #000000;
JSON
{
  "hex": "#3179b7",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 183
  },
  "hsl": {
    "h": 207.761,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56053,
    "c": 0.11985,
    "h": 247.9
  },
  "luminance": 0.17747
}

Semantic roles & 50–950 ramp

primary
#3179B7
secondary
#C89F7C
accent
#8E47E1
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3179B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3179B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva