#1C8DA4#1C8DA4

#1C8DA4 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.5% C 0.099 H 215.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#1C8DA4
RGBrgb(28, 141, 164)
HSLhsl(190, 71%, 38%)
HSVhsv(190, 83%, 64%)
CMYKcmyk(82.9%, 14%, 0%, 35.7%)
CIE-LABlab(54.00, -21.67, -20.71)
CIE-LCHlch(54.00, 29.97, 223.70°)
OKLaboklab(59.48% -0.0805 -0.0579)
OKLCHoklch(59.48% 0.099 215.7)
XYZxyz(16.7017, 21.9748, 38.4761)
Luminance0.2198 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C8DA4 #A4331C
analogous
#1CA477 #1C8DA4 #1C49A4
triadic
#1C8DA4 #A41C8D #8DA41C
tetradic
#1C8DA4 #771CA4 #A4331C #49A41C
square
#1C8DA4 #771CA4 #A4331C #49A41C
split-complementary
#1C8DA4 #A41C49 #A4771C
monochromatic
#0A333B #136070 #1C8DA4 #25BAD8 #58CBE2

Accessibility & contrast

On white

3.89
#1C8DA4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#1C8DA4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C8DA4
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C8DA4#FFFFFF#000000##000000
##1C8DA41.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D88A5
Deuteranopia (green-blind)
#6C7CA4
Tritanopia (blue-blind)
#009594
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #1c8da4;
/* rgb */ color: rgb(28, 141, 164);
/* oklch */ color: oklch(59.5% 0.099 215.7);
Tailwind
colors: {
  custom: {
    50: '#72aebf',
    500: '#1c8da4',
    950: '#000000',
  },
}
SCSS
$custom: #1c8da4;
$custom-light: #72aebf;
$custom-dark: #000000;
JSON
{
  "hex": "#1c8da4",
  "rgb": {
    "r": 28,
    "g": 141,
    "b": 164
  },
  "hsl": {
    "h": 190.147,
    "s": 70.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5948,
    "c": 0.09914,
    "h": 215.7
  },
  "luminance": 0.21977
}

Semantic roles & 50–950 ramp

primary
#1C8DA4
secondary
#C66956
accent
#593AEE
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#091012
muted
#7B7F81

Preview Lab

Preview with #1C8DA4

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

Preview Lab → · Contrast checker → · Palette generator →

#1C8DA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva