#1D8398#1D8398

#1D8398 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.4% C 0.093 H 215.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#1D8398
RGBrgb(29, 131, 152)
HSLhsl(190, 68%, 35%)
HSVhsv(190, 81%, 60%)
CMYKcmyk(80.9%, 13.8%, 0%, 40.4%)
CIE-LABlab(50.40, -20.37, -19.26)
CIE-LCHlch(50.40, 28.03, 223.41°)
OKLaboklab(56.43% -0.0753 -0.0538)
OKLCHoklch(56.43% 0.093 215.5)
XYZxyz(14.2881, 18.7590, 32.5675)
Luminance0.1876 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D8398 #98321D
analogous
#1D986F #1D8398 #1D4598
triadic
#1D8398 #981D83 #83981D
tetradic
#1D8398 #6F1D98 #98321D #45981D
square
#1D8398 #6F1D98 #98321D #45981D
split-complementary
#1D8398 #981D45 #986F1D
monochromatic
#092A31 #135765 #1D8398 #27AFCB #52C6DE

Accessibility & contrast

On white

4.42
#1D8398 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#1D8398 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8398
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D8398#FFFFFF#000000##000000
##1D83981.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#757F99
Deuteranopia (green-blind)
#647398
Tritanopia (blue-blind)
#008B8A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1d8398;
/* rgb */ color: rgb(29, 131, 152);
/* oklch */ color: oklch(56.4% 0.093 215.5);
Tailwind
colors: {
  custom: {
    50: '#70a7b6',
    500: '#1d8398',
    950: '#000000',
  },
}
SCSS
$custom: #1d8398;
$custom-light: #70a7b6;
$custom-dark: #000000;
JSON
{
  "hex": "#1d8398",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 152
  },
  "hsl": {
    "h": 190.244,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56433,
    "c": 0.09257,
    "h": 215.5
  },
  "luminance": 0.18761
}

Semantic roles & 50–950 ramp

primary
#1D8398
secondary
#C16350
accent
#5B3DEB
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1D8398

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

Preview Lab → · Contrast checker → · Palette generator →

#1D8398 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva