#1D688C#1D688C

#1D688C is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.0% C 0.091 H 234.4°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#1D688C
RGBrgb(29, 104, 140)
HSLhsl(199, 66%, 33%)
HSVhsv(199, 79%, 55%)
CMYKcmyk(79.3%, 25.7%, 0%, 45.1%)
CIE-LABlab(41.30, -9.47, -26.22)
CIE-LCHlch(41.30, 27.88, 250.14°)
OKLaboklab(48.97% -0.0529 -0.0739)
OKLCHoklch(48.97% 0.091 234.4)
XYZxyz(10.1887, 12.0541, 26.5955)
Luminance0.1206 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D688C #8C411D
analogous
#1D8C78 #1D688C #1D318C
triadic
#1D688C #8C1D68 #688C1D
tetradic
#1D688C #781D8C #8C411D #318C1D
square
#1D688C #781D8C #8C411D #318C1D
split-complementary
#1D688C #8C1D31 #8C781D
monochromatic
#081D27 #124259 #1D688C #288EBF #4AABD9

Accessibility & contrast

On white

6.16
#1D688C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#1D688C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D688C
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D688C#FFFFFF#000000##FFFFFF
##1D688C1.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56678E
Deuteranopia (green-blind)
#475D8B
Tritanopia (blue-blind)
#007174
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #1d688c;
/* rgb */ color: rgb(29, 104, 140);
/* oklch */ color: oklch(49.0% 0.091 234.4);
Tailwind
colors: {
  custom: {
    50: '#6b93ad',
    500: '#1d688c',
    950: '#000000',
  },
}
SCSS
$custom: #1d688c;
$custom-light: #6b93ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1d688c",
  "rgb": {
    "r": 29,
    "g": 104,
    "b": 140
  },
  "hsl": {
    "h": 199.459,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.09094,
    "h": 234.4
  },
  "luminance": 0.12055
}

Semantic roles & 50–950 ramp

primary
#1D688C
secondary
#BC6E49
accent
#763FE9
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #1D688C

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

Preview Lab → · Contrast checker → · Palette generator →

#1D688C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva