#1B6384#1B6384

#1B6384 is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.2% C 0.086 H 233.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#1B6384
RGBrgb(27, 99, 132)
HSLhsl(199, 66%, 31%)
HSVhsv(199, 80%, 52%)
CMYKcmyk(79.5%, 25%, 0%, 48.2%)
CIE-LABlab(39.28, -9.72, -24.55)
CIE-LCHlch(39.28, 26.41, 248.39°)
OKLaboklab(47.22% -0.0518 -0.0692)
OKLCHoklch(47.22% 0.086 233.2)
XYZxyz(9.0770, 10.8215, 23.4357)
Luminance0.1082 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6384 #843C1B
analogous
#1B8470 #1B6384 #1B2E84
triadic
#1B6384 #841B63 #63841B
tetradic
#1B6384 #701B84 #843C1B #2E841B
square
#1B6384 #701B84 #843C1B #2E841B
split-complementary
#1B6384 #841B2E #84701B
monochromatic
#06171E #113D51 #1B6384 #2589B7 #41A9D8

Accessibility & contrast

On white

6.64
#1B6384 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#1B6384 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6384
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6384#FFFFFF#000000##FFFFFF
##1B63841.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#536286
Deuteranopia (green-blind)
#455883
Tritanopia (blue-blind)
#006C6E
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1b6384;
/* rgb */ color: rgb(27, 99, 132);
/* oklch */ color: oklch(47.2% 0.086 233.2);
Tailwind
colors: {
  custom: {
    50: '#698fa8',
    500: '#1b6384',
    950: '#000000',
  },
}
SCSS
$custom: #1b6384;
$custom-light: #698fa8;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6384",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 132
  },
  "hsl": {
    "h": 198.857,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.4722,
    "c": 0.0864,
    "h": 233.2
  },
  "luminance": 0.10823
}

Semantic roles & 50–950 ramp

primary
#1B6384
secondary
#B76843
accent
#743FE9
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1B6384

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6384 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva