#1D688B#1D688B

#1D688B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.090 H 233.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#1D688B
RGBrgb(29, 104, 139)
HSLhsl(199, 65%, 33%)
HSVhsv(199, 79%, 55%)
CMYKcmyk(79.1%, 25.2%, 0%, 45.5%)
CIE-LABlab(41.26, -9.84, -25.70)
CIE-LCHlch(41.26, 27.52, 249.04°)
OKLaboklab(48.92% -0.0533 -0.0724)
OKLCHoklch(48.92% 0.09 233.6)
XYZxyz(10.1153, 12.0247, 26.2090)
Luminance0.1203 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D688B #8B401D
analogous
#1D8B77 #1D688B #1D318B
triadic
#1D688B #8B1D68 #688B1D
tetradic
#1D688B #771D8B #8B401D #318B1D
square
#1D688B #771D8B #8B401D #318B1D
split-complementary
#1D688B #8B1D31 #8B771D
monochromatic
#081C26 #124258 #1D688B #288EBE #49ABD9

Accessibility & contrast

On white

6.17
#1D688B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#1D688B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D688B
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D688B#FFFFFF#000000##FFFFFF
##1D688B1.006.173.416.17
#FFFFFF6.171.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57678D
Deuteranopia (green-blind)
#485D8A
Tritanopia (blue-blind)
#007174
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #1d688b;
/* rgb */ color: rgb(29, 104, 139);
/* oklch */ color: oklch(48.9% 0.090 233.6);
Tailwind
colors: {
  custom: {
    50: '#6b93ad',
    500: '#1d688b',
    950: '#000000',
  },
}
SCSS
$custom: #1d688b;
$custom-light: #6b93ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1d688b",
  "rgb": {
    "r": 29,
    "g": 104,
    "b": 139
  },
  "hsl": {
    "h": 199.091,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.48916,
    "c": 0.08992,
    "h": 233.6
  },
  "luminance": 0.12026
}

Semantic roles & 50–950 ramp

primary
#1D688B
secondary
#BB6D49
accent
#753FE8
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #1D688B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D688B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva