#1B8AA8#1B8AA8

#1B8AA8 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 58.9% C 0.102 H 221.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#1B8AA8
RGBrgb(27, 138, 168)
HSLhsl(193, 72%, 38%)
HSVhsv(193, 84%, 66%)
CMYKcmyk(83.9%, 17.9%, 0%, 34.1%)
CIE-LABlab(53.21, -18.78, -24.23)
CIE-LCHlch(53.21, 30.66, 232.22°)
OKLaboklab(58.89% -0.0763 -0.0679)
OKLCHoklch(58.89% 0.102 221.7)
XYZxyz(16.6054, 21.2350, 40.2618)
Luminance0.2124 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8AA8 #A8391B
analogous
#1BA87F #1B8AA8 #1B43A8
triadic
#1B8AA8 #A81B8A #8AA81B
tetradic
#1B8AA8 #7F1BA8 #A8391B #43A81B
square
#1B8AA8 #7F1BA8 #A8391B #43A81B
split-complementary
#1B8AA8 #A81B43 #A87F1B
monochromatic
#0A333F #135F73 #1B8AA8 #24B5DC #59C7E4

Accessibility & contrast

On white

4.00
#1B8AA8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#1B8AA8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8AA8
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8AA8#FFFFFF#000000##000000
##1B8AA81.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7886AA
Deuteranopia (green-blind)
#6679A8
Tritanopia (blue-blind)
#009394
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #1b8aa8;
/* rgb */ color: rgb(27, 138, 168);
/* oklch */ color: oklch(58.9% 0.102 221.7);
Tailwind
colors: {
  custom: {
    50: '#72acc2',
    500: '#1b8aa8',
    950: '#000000',
  },
}
SCSS
$custom: #1b8aa8;
$custom-light: #72acc2;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8aa8",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 168
  },
  "hsl": {
    "h": 192.766,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.58888,
    "c": 0.10216,
    "h": 221.7
  },
  "luminance": 0.21237
}

Semantic roles & 50–950 ramp

primary
#1B8AA8
secondary
#C86F57
accent
#6039EF
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#091012
muted
#7B7F81

Preview Lab

Preview with #1B8AA8

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8AA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva