#1B6E8B#1B6E8B

#1B6E8B is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.4% C 0.088 H 226.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#1B6E8B
RGBrgb(27, 110, 139)
HSLhsl(196, 67%, 33%)
HSVhsv(196, 81%, 55%)
CMYKcmyk(80.6%, 20.9%, 0%, 45.5%)
CIE-LABlab(43.13, -13.56, -22.78)
CIE-LCHlch(43.13, 26.51, 239.23°)
OKLaboklab(50.41% -0.0603 -0.064)
OKLCHoklch(50.41% 0.088 226.7)
XYZxyz(10.6862, 13.2476, 26.4149)
Luminance0.1325 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6E8B #8B381B
analogous
#1B8B70 #1B6E8B #1B368B
triadic
#1B6E8B #8B1B6E #6E8B1B
tetradic
#1B6E8B #701B8B #8B381B #368B1B
square
#1B6E8B #701B8B #8B381B #368B1B
split-complementary
#1B6E8B #8B1B36 #8B701B
monochromatic
#071D25 #114558 #1B6E8B #2597BE #45B4DB

Accessibility & contrast

On white

5.75
#1B6E8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#1B6E8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6E8B
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6E8B#FFFFFF#000000##FFFFFF
##1B6E8B1.005.753.655.75
#FFFFFF5.751.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E6C8C
Deuteranopia (green-blind)
#50618B
Tritanopia (blue-blind)
#007678
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #1b6e8b;
/* rgb */ color: rgb(27, 110, 139);
/* oklch */ color: oklch(50.4% 0.088 226.7);
Tailwind
colors: {
  custom: {
    50: '#6b97ad',
    500: '#1b6e8b',
    950: '#000000',
  },
}
SCSS
$custom: #1b6e8b;
$custom-light: #6b97ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6e8b",
  "rgb": {
    "r": 27,
    "g": 110,
    "b": 139
  },
  "hsl": {
    "h": 195.536,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50405,
    "c": 0.08789,
    "h": 226.7
  },
  "luminance": 0.13249
}

Semantic roles & 50–950 ramp

primary
#1B6E8B
secondary
#BC6445
accent
#6A3DEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #1B6E8B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6E8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva