#1D7183#1D7183

#1D7183 is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 50.9% C 0.081 H 215.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#1D7183
RGBrgb(29, 113, 131)
HSLhsl(191, 64%, 31%)
HSVhsv(191, 78%, 51%)
CMYKcmyk(77.9%, 13.7%, 0%, 48.6%)
CIE-LABlab(43.81, -17.85, -16.95)
CIE-LCHlch(43.81, 24.61, 223.52°)
OKLaboklab(50.85% -0.0658 -0.0473)
OKLCHoklch(50.85% 0.081 215.7)
XYZxyz(10.5068, 13.7089, 23.5607)
Luminance0.1371 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D7183 #832F1D
analogous
#1D8362 #1D7183 #1D3E83
triadic
#1D7183 #831D71 #71831D
tetradic
#1D7183 #621D83 #832F1D #3E831D
square
#1D7183 #621D83 #832F1D #3E831D
split-complementary
#1D7183 #831D3E #83621D
monochromatic
#071B1F #124651 #1D7183 #289CB5 #45BCD6

Accessibility & contrast

On white

5.61
#1D7183 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#1D7183 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7183
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D7183#FFFFFF#000000##FFFFFF
##1D71831.005.613.745.61
#FFFFFF5.611.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#656D84
Deuteranopia (green-blind)
#576383
Tritanopia (blue-blind)
#007877
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #1d7183;
/* rgb */ color: rgb(29, 113, 131);
/* oklch */ color: oklch(50.9% 0.081 215.7);
Tailwind
colors: {
  custom: {
    50: '#6a9aa7',
    500: '#1d7183',
    950: '#000000',
  },
}
SCSS
$custom: #1d7183;
$custom-light: #6a9aa7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d7183",
  "rgb": {
    "r": 29,
    "g": 113,
    "b": 131
  },
  "hsl": {
    "h": 190.588,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.50852,
    "c": 0.08105,
    "h": 215.7
  },
  "luminance": 0.1371
}

Semantic roles & 50–950 ramp

primary
#1D7183
secondary
#B65A46
accent
#5E41E7
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E0F
muted
#7A7E7F

Preview Lab

Preview with #1D7183

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

Preview Lab → · Contrast checker → · Palette generator →

#1D7183 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva