#1B7F99#1B7F99

#1B7F99 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.4% C 0.094 H 220.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#1B7F99
RGBrgb(27, 127, 153)
HSLhsl(192, 70%, 35%)
HSVhsv(192, 82%, 60%)
CMYKcmyk(82.4%, 17%, 0%, 40%)
CIE-LABlab(49.14, -18.06, -21.79)
CIE-LCHlch(49.14, 28.30, 230.34°)
OKLaboklab(55.42% -0.0716 -0.061)
OKLCHoklch(55.42% 0.094 220.4)
XYZxyz(13.7887, 17.7099, 32.8224)
Luminance0.1771 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7F99 #99351B
analogous
#1B9974 #1B7F99 #1B4099
triadic
#1B7F99 #991B7F #7F991B
tetradic
#1B7F99 #741B99 #99351B #40991B
square
#1B7F99 #741B99 #99351B #40991B
split-complementary
#1B7F99 #991B40 #99741B
monochromatic
#092931 #125465 #1B7F99 #24AACD #4FC2E0

Accessibility & contrast

On white

4.62
#1B7F99 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.54
#1B7F99 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7F99
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7F99#FFFFFF#000000##FFFFFF
##1B7F991.004.624.544.62
#FFFFFF4.621.0021.001.00
#0000004.5421.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F7B9A
Deuteranopia (green-blind)
#5F7099
Tritanopia (blue-blind)
#008787
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #1b7f99;
/* rgb */ color: rgb(27, 127, 153);
/* oklch */ color: oklch(55.4% 0.094 220.4);
Tailwind
colors: {
  custom: {
    50: '#6fa4b7',
    500: '#1b7f99',
    950: '#000000',
  },
}
SCSS
$custom: #1b7f99;
$custom-light: #6fa4b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7f99",
  "rgb": {
    "r": 27,
    "g": 127,
    "b": 153
  },
  "hsl": {
    "h": 192.381,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55421,
    "c": 0.09409,
    "h": 220.4
  },
  "luminance": 0.17712
}

Semantic roles & 50–950 ramp

primary
#1B7F99
secondary
#C2664E
accent
#603BED
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1B7F99

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7F99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva