#1F688C#1F688C

#1F688C is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.0% C 0.090 H 234.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#1F688C
RGBrgb(31, 104, 140)
HSLhsl(200, 64%, 34%)
HSVhsv(200, 78%, 55%)
CMYKcmyk(77.9%, 25.7%, 0%, 45.1%)
CIE-LABlab(41.35, -9.23, -26.15)
CIE-LCHlch(41.35, 27.73, 250.56°)
OKLaboklab(49.02% -0.052 -0.0737)
OKLCHoklch(49.02% 0.09 234.8)
XYZxyz(10.2471, 12.0842, 26.5983)
Luminance0.1208 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F688C #8C431F
analogous
#1F8C79 #1F688C #1F318C
triadic
#1F688C #8C1F68 #688C1F
tetradic
#1F688C #791F8C #8C431F #318C1F
square
#1F688C #791F8C #8C431F #318C1F
split-complementary
#1F688C #8C1F31 #8C791F
monochromatic
#091E28 #14435A #1F688C #2A8DBE #4EAAD8

Accessibility & contrast

On white

6.15
#1F688C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#1F688C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F688C
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F688C#FFFFFF#000000##FFFFFF
##1F688C1.006.153.426.15
#FFFFFF6.151.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56678E
Deuteranopia (green-blind)
#485D8B
Tritanopia (blue-blind)
#007174
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #1f688c;
/* rgb */ color: rgb(31, 104, 140);
/* oklch */ color: oklch(49.0% 0.090 234.8);
Tailwind
colors: {
  custom: {
    50: '#6c93ad',
    500: '#1f688c',
    950: '#000000',
  },
}
SCSS
$custom: #1f688c;
$custom-light: #6c93ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1f688c",
  "rgb": {
    "r": 31,
    "g": 104,
    "b": 140
  },
  "hsl": {
    "h": 199.817,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4902,
    "c": 0.0902,
    "h": 234.8
  },
  "luminance": 0.12085
}

Semantic roles & 50–950 ramp

primary
#1F688C
secondary
#BB714C
accent
#7841E7
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #1F688C

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

Preview Lab → · Contrast checker → · Palette generator →

#1F688C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva