#1B8197#1B8197

#1B8197 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.8% C 0.093 H 216.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#1B8197
RGBrgb(27, 129, 151)
HSLhsl(191, 70%, 35%)
HSVhsv(191, 82%, 59%)
CMYKcmyk(82.1%, 14.6%, 0%, 40.8%)
CIE-LABlab(49.70, -19.84, -19.77)
CIE-LCHlch(49.70, 28.00, 224.90°)
OKLaboklab(55.84% -0.0744 -0.0552)
OKLCHoklch(55.84% 0.093 216.6)
XYZxyz(13.8858, 18.1661, 32.0467)
Luminance0.1817 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8197 #97311B
analogous
#1B976F #1B8197 #1B4397
triadic
#1B8197 #971B81 #81971B
tetradic
#1B8197 #6F1B97 #97311B #43971B
square
#1B8197 #6F1B97 #97311B #43971B
split-complementary
#1B8197 #971B43 #976F1B
monochromatic
#08282F #125563 #1B8197 #24ADCB #4DC5DF

Accessibility & contrast

On white

4.53
#1B8197 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#1B8197 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8197
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8197#FFFFFF#000000##000000
##1B81971.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#727D98
Deuteranopia (green-blind)
#627197
Tritanopia (blue-blind)
#008988
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b8197;
/* rgb */ color: rgb(27, 129, 151);
/* oklch */ color: oklch(55.8% 0.093 216.6);
Tailwind
colors: {
  custom: {
    50: '#6fa5b5',
    500: '#1b8197',
    950: '#000000',
  },
}
SCSS
$custom: #1b8197;
$custom-light: #6fa5b5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8197",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 151
  },
  "hsl": {
    "h": 190.645,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55841,
    "c": 0.09269,
    "h": 216.6
  },
  "luminance": 0.18168
}

Semantic roles & 50–950 ramp

primary
#1B8197
secondary
#C1614C
accent
#5B3BEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1B8197

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8197 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva