#1D5688#1D5688

#1D5688 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.2% C 0.101 H 248.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#1D5688
RGBrgb(29, 86, 136)
HSLhsl(208, 65%, 32%)
HSVhsv(208, 79%, 53%)
CMYKcmyk(78.7%, 36.8%, 0%, 46.7%)
CIE-LABlab(35.39, 0.12, -33.10)
CIE-LCHlch(35.39, 33.10, 270.21°)
OKLaboklab(44.22% -0.0364 -0.0942)
OKLCHoklch(44.22% 0.101 248.9)
XYZxyz(8.2767, 8.6934, 24.5296)
Luminance0.0869 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5688 #884F1D
analogous
#1D8884 #1D5688 #1D2188
triadic
#1D5688 #881D56 #56881D
tetradic
#1D5688 #841D88 #884F1D #21881D
square
#1D5688 #841D88 #884F1D #21881D
split-complementary
#1D5688 #881D21 #88841D
monochromatic
#071623 #123656 #1D5688 #2876BA #4894D8

Accessibility & contrast

On white

7.67
#1D5688 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1D5688 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5688
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5688#FFFFFF#000000##FFFFFF
##1D56881.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F598A
Deuteranopia (green-blind)
#2F4F87
Tritanopia (blue-blind)
#006268
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1d5688;
/* rgb */ color: rgb(29, 86, 136);
/* oklch */ color: oklch(44.2% 0.101 248.9);
Tailwind
colors: {
  custom: {
    50: '#6a85ab',
    500: '#1d5688',
    950: '#000000',
  },
}
SCSS
$custom: #1d5688;
$custom-light: #6a85ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5688",
  "rgb": {
    "r": 29,
    "g": 86,
    "b": 136
  },
  "hsl": {
    "h": 208.037,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44221,
    "c": 0.10099,
    "h": 248.9
  },
  "luminance": 0.08694
}

Semantic roles & 50–950 ramp

primary
#1D5688
secondary
#BA7D47
accent
#8E40E8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1D5688

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5688 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva