#1D6689#1D6689

#1D6689 is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.3% C 0.089 H 234.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#1D6689
RGBrgb(29, 102, 137)
HSLhsl(199, 65%, 33%)
HSVhsv(199, 79%, 54%)
CMYKcmyk(78.8%, 25.5%, 0%, 46.3%)
CIE-LABlab(40.52, -9.40, -25.63)
CIE-LCHlch(40.52, 27.30, 249.86°)
OKLaboklab(48.3% -0.052 -0.0722)
OKLCHoklch(48.3% 0.089 234.2)
XYZxyz(9.7716, 11.5689, 25.3801)
Luminance0.1157 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D6689 #89401D
analogous
#1D8976 #1D6689 #1D3089
triadic
#1D6689 #891D66 #66891D
tetradic
#1D6689 #761D89 #89401D #30891D
square
#1D6689 #761D89 #89401D #30891D
split-complementary
#1D6689 #891D30 #89761D
monochromatic
#081B24 #124056 #1D6689 #288CBC #48AAD8

Accessibility & contrast

On white

6.34
#1D6689 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#1D6689 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6689
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D6689#FFFFFF#000000##FFFFFF
##1D66891.006.343.316.34
#FFFFFF6.341.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55658B
Deuteranopia (green-blind)
#465B88
Tritanopia (blue-blind)
#006F72
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #1d6689;
/* rgb */ color: rgb(29, 102, 137);
/* oklch */ color: oklch(48.3% 0.089 234.2);
Tailwind
colors: {
  custom: {
    50: '#6b91ab',
    500: '#1d6689',
    950: '#000000',
  },
}
SCSS
$custom: #1d6689;
$custom-light: #6b91ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1d6689",
  "rgb": {
    "r": 29,
    "g": 102,
    "b": 137
  },
  "hsl": {
    "h": 199.444,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.48302,
    "c": 0.08903,
    "h": 234.2
  },
  "luminance": 0.1157
}

Semantic roles & 50–950 ramp

primary
#1D6689
secondary
#BA6D47
accent
#7640E8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1D6689

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

Preview Lab → · Contrast checker → · Palette generator →

#1D6689 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva