#1B7188#1B7188

#1B7188 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.0% C 0.085 H 220.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#1B7188
RGBrgb(27, 113, 136)
HSLhsl(193, 67%, 32%)
HSVhsv(193, 80%, 53%)
CMYKcmyk(80.1%, 16.9%, 0%, 46.7%)
CIE-LABlab(43.97, -16.33, -19.69)
CIE-LCHlch(43.97, 25.59, 230.33°)
OKLaboklab(51.04% -0.0645 -0.0551)
OKLCHoklch(51.04% 0.085 220.5)
XYZxyz(10.7992, 13.8195, 25.3860)
Luminance0.1382 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7188 #88321B
analogous
#1B8869 #1B7188 #1B3A88
triadic
#1B7188 #881B71 #71881B
tetradic
#1B7188 #691B88 #88321B #3A881B
square
#1B7188 #691B88 #88321B #3A881B
split-complementary
#1B7188 #881B3A #88691B
monochromatic
#071C22 #114755 #1B7188 #259BBB #44BADA

Accessibility & contrast

On white

5.58
#1B7188 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.76
#1B7188 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7188
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7188#FFFFFF#000000##FFFFFF
##1B71881.005.583.765.58
#FFFFFF5.581.0021.001.00
#0000003.7621.001.0021.00
##FFFFFF5.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636E89
Deuteranopia (green-blind)
#556388
Tritanopia (blue-blind)
#007878
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #1b7188;
/* rgb */ color: rgb(27, 113, 136);
/* oklch */ color: oklch(51.0% 0.085 220.5);
Tailwind
colors: {
  custom: {
    50: '#6b9aaa',
    500: '#1b7188',
    950: '#000000',
  },
}
SCSS
$custom: #1b7188;
$custom-light: #6b9aaa;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7188",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 136
  },
  "hsl": {
    "h": 192.661,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51036,
    "c": 0.08487,
    "h": 220.5
  },
  "luminance": 0.13821
}

Semantic roles & 50–950 ramp

primary
#1B7188
secondary
#BB5D44
accent
#623EEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #1B7188

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7188 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva