#1B7DA0#1B7DA0

#1B7DA0 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.100 H 228.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#1B7DA0
RGBrgb(27, 125, 160)
HSLhsl(196, 71%, 37%)
HSVhsv(196, 83%, 63%)
CMYKcmyk(83.1%, 21.9%, 0%, 37.3%)
CIE-LABlab(48.81, -14.47, -26.40)
CIE-LCHlch(48.81, 30.11, 241.27°)
OKLaboklab(55.25% -0.0669 -0.0743)
OKLCHoklch(55.25% 0.1 228)
XYZxyz(14.1281, 17.4365, 35.8719)
Luminance0.1744 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7DA0 #A03E1B
analogous
#1BA081 #1B7DA0 #1B3BA0
triadic
#1B7DA0 #A01B7D #7DA01B
tetradic
#1B7DA0 #811BA0 #A03E1B #3BA01B
square
#1B7DA0 #811BA0 #A03E1B #3BA01B
split-complementary
#1B7DA0 #A01B3B #A0811B
monochromatic
#092B37 #12546C #1B7DA0 #24A6D4 #53BCE2

Accessibility & contrast

On white

4.68
#1B7DA0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.49
#1B7DA0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7DA0
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7DA0#FFFFFF#000000##FFFFFF
##1B7DA01.004.684.494.68
#FFFFFF4.681.0021.001.00
#0000004.4921.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A7BA2
Deuteranopia (green-blind)
#596FA0
Tritanopia (blue-blind)
#008789
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #1b7da0;
/* rgb */ color: rgb(27, 125, 160);
/* oklch */ color: oklch(55.2% 0.100 228.0);
Tailwind
colors: {
  custom: {
    50: '#70a2bc',
    500: '#1b7da0',
    950: '#000000',
  },
}
SCSS
$custom: #1b7da0;
$custom-light: #70a2bc;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7da0",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 195.789,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.55247,
    "c": 0.09996,
    "h": 228
  },
  "luminance": 0.17438
}

Semantic roles & 50–950 ramp

primary
#1B7DA0
secondary
#C57052
accent
#693AEE
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #1B7DA0

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7DA0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva