#1B7E97#1B7E97

#1B7E97 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.1% C 0.093 H 219.8°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#1B7E97
RGBrgb(27, 126, 151)
HSLhsl(192, 70%, 35%)
HSVhsv(192, 82%, 59%)
CMYKcmyk(82.1%, 16.6%, 0%, 40.8%)
CIE-LABlab(48.74, -18.22, -21.23)
CIE-LCHlch(48.74, 27.97, 229.36°)
OKLaboklab(55.07% -0.0714 -0.0594)
OKLCHoklch(55.07% 0.093 219.8)
XYZxyz(13.4964, 17.3874, 31.9169)
Luminance0.1739 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7E97 #97341B
analogous
#1B9772 #1B7E97 #1B4097
triadic
#1B7E97 #971B7E #7E971B
tetradic
#1B7E97 #721B97 #97341B #40971B
square
#1B7E97 #721B97 #97341B #40971B
split-complementary
#1B7E97 #971B40 #97721B
monochromatic
#08272F #125363 #1B7E97 #24A9CB #4DC2DF

Accessibility & contrast

On white

4.69
#1B7E97 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#1B7E97 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E97
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7E97#FFFFFF#000000##FFFFFF
##1B7E971.004.694.484.69
#FFFFFF4.691.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F7A98
Deuteranopia (green-blind)
#5E6F97
Tritanopia (blue-blind)
#008686
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #1b7e97;
/* rgb */ color: rgb(27, 126, 151);
/* oklch */ color: oklch(55.1% 0.093 219.8);
Tailwind
colors: {
  custom: {
    50: '#6ea3b5',
    500: '#1b7e97',
    950: '#000000',
  },
}
SCSS
$custom: #1b7e97;
$custom-light: #6ea3b5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7e97",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 151
  },
  "hsl": {
    "h": 192.097,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55074,
    "c": 0.09294,
    "h": 219.8
  },
  "luminance": 0.17389
}

Semantic roles & 50–950 ramp

primary
#1B7E97
secondary
#C1644C
accent
#5F3BEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#080F11
muted
#7B7F80

Preview Lab

Preview with #1B7E97

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7E97 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva