#1B8298#1B8298

#1B8298 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.1% C 0.093 H 216.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#1B8298
RGBrgb(27, 130, 152)
HSLhsl(191, 70%, 35%)
HSVhsv(191, 82%, 60%)
CMYKcmyk(82.2%, 14.5%, 0%, 40.4%)
CIE-LABlab(50.05, -20.03, -19.80)
CIE-LCHlch(50.05, 28.17, 224.67°)
OKLaboklab(56.14% -0.075 -0.0553)
OKLCHoklch(56.14% 0.093 216.4)
XYZxyz(14.0997, 18.4635, 32.5204)
Luminance0.1847 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8298 #98311B
analogous
#1B986F #1B8298 #1B4498
triadic
#1B8298 #981B82 #82981B
tetradic
#1B8298 #6F1B98 #98311B #44981B
square
#1B8298 #6F1B98 #98311B #44981B
split-complementary
#1B8298 #981B44 #986F1B
monochromatic
#092930 #125664 #1B8298 #24AECC #4EC6E0

Accessibility & contrast

On white

4.47
#1B8298 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#1B8298 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8298
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8298#FFFFFF#000000##000000
##1B82981.004.474.694.69
#FFFFFF4.471.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#737E99
Deuteranopia (green-blind)
#637298
Tritanopia (blue-blind)
#008A89
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #1b8298;
/* rgb */ color: rgb(27, 130, 152);
/* oklch */ color: oklch(56.1% 0.093 216.4);
Tailwind
colors: {
  custom: {
    50: '#6fa6b6',
    500: '#1b8298',
    950: '#000000',
  },
}
SCSS
$custom: #1b8298;
$custom-light: #6fa6b6;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8298",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 152
  },
  "hsl": {
    "h": 190.56,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56141,
    "c": 0.09321,
    "h": 216.4
  },
  "luminance": 0.18465
}

Semantic roles & 50–950 ramp

primary
#1B8298
secondary
#C2624D
accent
#5A3BED
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1B8298

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8298 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva