#1C8399#1C8399

#1C8399 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.093 H 216.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#1C8399
RGBrgb(28, 131, 153)
HSLhsl(191, 69%, 35%)
HSVhsv(191, 82%, 60%)
CMYKcmyk(81.7%, 14.4%, 0%, 40%)
CIE-LABlab(50.43, -20.12, -19.81)
CIE-LCHlch(50.43, 28.24, 224.56°)
OKLaboklab(56.46% -0.0752 -0.0554)
OKLCHoklch(56.46% 0.093 216.4)
XYZxyz(14.3425, 18.7776, 32.9993)
Luminance0.1878 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C8399 #99321C
analogous
#1C9970 #1C8399 #1C4499
triadic
#1C8399 #991C83 #83991C
tetradic
#1C8399 #701C99 #99321C #44991C
square
#1C8399 #701C99 #99321C #44991C
split-complementary
#1C8399 #991C44 #99701C
monochromatic
#092A32 #135765 #1C8399 #25AFCD #50C6DF

Accessibility & contrast

On white

4.42
#1C8399 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#1C8399 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C8399
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C8399#FFFFFF#000000##000000
##1C83991.004.424.764.76
#FFFFFF4.421.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#747F9A
Deuteranopia (green-blind)
#647399
Tritanopia (blue-blind)
#008B8A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1c8399;
/* rgb */ color: rgb(28, 131, 153);
/* oklch */ color: oklch(56.5% 0.093 216.4);
Tailwind
colors: {
  custom: {
    50: '#6fa7b7',
    500: '#1c8399',
    950: '#000000',
  },
}
SCSS
$custom: #1c8399;
$custom-light: #6fa7b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1c8399",
  "rgb": {
    "r": 28,
    "g": 131,
    "b": 153
  },
  "hsl": {
    "h": 190.56,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56459,
    "c": 0.09342,
    "h": 216.4
  },
  "luminance": 0.18779
}

Semantic roles & 50–950 ramp

primary
#1C8399
secondary
#C2634F
accent
#5B3CEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1C8399

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

Preview Lab → · Contrast checker → · Palette generator →

#1C8399 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva