#1D6688#1D6688

#1D6688 is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.2% C 0.088 H 233.5°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#1D6688
RGBrgb(29, 102, 136)
HSLhsl(199, 65%, 32%)
HSVhsv(199, 79%, 53%)
CMYKcmyk(78.7%, 25%, 0%, 46.7%)
CIE-LABlab(40.48, -9.77, -25.10)
CIE-LCHlch(40.48, 26.94, 248.73°)
OKLaboklab(48.25% -0.0524 -0.0707)
OKLCHoklch(48.25% 0.088 233.5)
XYZxyz(9.7002, 11.5404, 25.0041)
Luminance0.1154 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D6688 #883F1D
analogous
#1D8874 #1D6688 #1D3188
triadic
#1D6688 #881D66 #66881D
tetradic
#1D6688 #741D88 #883F1D #31881D
square
#1D6688 #741D88 #883F1D #31881D
split-complementary
#1D6688 #881D31 #88741D
monochromatic
#071A23 #124056 #1D6688 #288CBA #48AAD8

Accessibility & contrast

On white

6.35
#1D6688 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#1D6688 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6688
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D6688#FFFFFF#000000##FFFFFF
##1D66881.006.353.316.35
#FFFFFF6.351.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55658A
Deuteranopia (green-blind)
#475B87
Tritanopia (blue-blind)
#006F72
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #1d6688;
/* rgb */ color: rgb(29, 102, 136);
/* oklch */ color: oklch(48.2% 0.088 233.5);
Tailwind
colors: {
  custom: {
    50: '#6a91ab',
    500: '#1d6688',
    950: '#000000',
  },
}
SCSS
$custom: #1d6688;
$custom-light: #6a91ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1d6688",
  "rgb": {
    "r": 29,
    "g": 102,
    "b": 136
  },
  "hsl": {
    "h": 199.065,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.48249,
    "c": 0.08802,
    "h": 233.5
  },
  "luminance": 0.11542
}

Semantic roles & 50–950 ramp

primary
#1D6688
secondary
#BA6B47
accent
#7540E8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F

Preview Lab

Preview with #1D6688

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

Preview Lab → · Contrast checker → · Palette generator →

#1D6688 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva