#318DB0#318DB0

#318DB0 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.099 H 227.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#318DB0
RGBrgb(49, 141, 176)
HSLhsl(197, 56%, 44%)
HSVhsv(197, 72%, 69%)
CMYKcmyk(72.2%, 19.9%, 0%, 31%)
CIE-LABlab(54.90, -15.20, -26.17)
CIE-LCHlch(54.90, 30.26, 239.85°)
OKLaboklab(60.48% -0.0672 -0.0733)
OKLCHoklch(60.48% 0.099 227.5)
XYZxyz(18.6248, 22.8352, 44.4919)
Luminance0.2284 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#318DB0 #B05431
analogous
#31B093 #318DB0 #314EB0
triadic
#318DB0 #B0318D #8DB031
tetradic
#318DB0 #9331B0 #B05431 #4EB031
square
#318DB0 #9331B0 #B05431 #4EB031
split-complementary
#318DB0 #B0314E #B09331
monochromatic
#164050 #246780 #318DB0 #50ABCE #80C2DC

Accessibility & contrast

On white

3.77
#318DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.57
#318DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DB0
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##318DB0#FFFFFF#000000##000000
##318DB01.003.775.575.57
#FFFFFF3.771.0021.0021.00
#0000005.5721.001.001.00
##0000005.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8AB2
Deuteranopia (green-blind)
#697EB0
Tritanopia (blue-blind)
#009798
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #318db0;
/* rgb */ color: rgb(49, 141, 176);
/* oklch */ color: oklch(60.5% 0.099 227.5);
Tailwind
colors: {
  custom: {
    50: '#7aaec7',
    500: '#318db0',
    950: '#000000',
  },
}
SCSS
$custom: #318db0;
$custom-light: #7aaec7;
$custom-dark: #000000;
JSON
{
  "hex": "#318db0",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 176
  },
  "hsl": {
    "h": 196.535,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60483,
    "c": 0.09949,
    "h": 227.5
  },
  "luminance": 0.22837
}

Semantic roles & 50–950 ramp

primary
#318DB0
secondary
#C58D78
accent
#7248E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #318DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#318DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva