#1B708A#1B708A

#1B708A is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 50.9% C 0.086 H 223.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#1B708A
RGBrgb(27, 112, 138)
HSLhsl(194, 67%, 32%)
HSVhsv(194, 80%, 54%)
CMYKcmyk(80.4%, 18.8%, 0%, 45.9%)
CIE-LABlab(43.73, -15.06, -21.26)
CIE-LCHlch(43.73, 26.05, 234.68°)
OKLaboklab(50.87% -0.0627 -0.0596)
OKLCHoklch(50.87% 0.086 223.5)
XYZxyz(10.8317, 13.6550, 26.1046)
Luminance0.1366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B708A #8A351B
analogous
#1B8A6D #1B708A #1B398A
triadic
#1B708A #8A1B70 #708A1B
tetradic
#1B708A #6D1B8A #8A351B #398A1B
square
#1B708A #6D1B8A #8A351B #398A1B
split-complementary
#1B708A #8A1B39 #8A6D1B
monochromatic
#071D24 #114657 #1B708A #259ABD #45B7DB

Accessibility & contrast

On white

5.63
#1B708A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#1B708A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B708A
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B708A#FFFFFF#000000##FFFFFF
##1B708A1.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#616D8B
Deuteranopia (green-blind)
#53638A
Tritanopia (blue-blind)
#007878
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #1b708a;
/* rgb */ color: rgb(27, 112, 138);
/* oklch */ color: oklch(50.9% 0.086 223.5);
Tailwind
colors: {
  custom: {
    50: '#6b99ac',
    500: '#1b708a',
    950: '#000000',
  },
}
SCSS
$custom: #1b708a;
$custom-light: #6b99ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b708a",
  "rgb": {
    "r": 27,
    "g": 112,
    "b": 138
  },
  "hsl": {
    "h": 194.054,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.50872,
    "c": 0.08649,
    "h": 223.5
  },
  "luminance": 0.13656
}

Semantic roles & 50–950 ramp

primary
#1B708A
secondary
#BC6145
accent
#663EEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #1B708A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B708A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva