#1B608C#1B608C

#1B608C is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.9% C 0.097 H 241.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#1B608C
RGBrgb(27, 96, 140)
HSLhsl(203, 68%, 33%)
HSVhsv(203, 81%, 55%)
CMYKcmyk(80.7%, 31.4%, 0%, 45.1%)
CIE-LABlab(38.71, -4.87, -30.29)
CIE-LCHlch(38.71, 30.68, 260.87°)
OKLaboklab(46.9% -0.046 -0.0858)
OKLCHoklch(46.9% 0.097 241.8)
XYZxyz(9.3666, 10.4911, 26.3372)
Luminance0.1049 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B608C #8C471B
analogous
#1B8C80 #1B608C #1B278C
triadic
#1B608C #8C1B60 #608C1B
tetradic
#1B608C #801B8C #8C471B #278C1B
square
#1B608C #801B8C #8C471B #278C1B
split-complementary
#1B608C #8C1B27 #8C801B
monochromatic
#071A25 #113D59 #1B608C #2583BF #46A1DB

Accessibility & contrast

On white

6.78
#1B608C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#1B608C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B608C
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B608C#FFFFFF#000000##FFFFFF
##1B608C1.006.783.106.78
#FFFFFF6.781.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B618E
Deuteranopia (green-blind)
#3C568B
Tritanopia (blue-blind)
#006B70
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1b608c;
/* rgb */ color: rgb(27, 96, 140);
/* oklch */ color: oklch(46.9% 0.097 241.8);
Tailwind
colors: {
  custom: {
    50: '#6a8dae',
    500: '#1b608c',
    950: '#000000',
  },
}
SCSS
$custom: #1b608c;
$custom-light: #6a8dae;
$custom-dark: #000000;
JSON
{
  "hex": "#1b608c",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 140
  },
  "hsl": {
    "h": 203.363,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.46897,
    "c": 0.09738,
    "h": 241.8
  },
  "luminance": 0.10492
}

Semantic roles & 50–950 ramp

primary
#1B608C
secondary
#BD7446
accent
#813DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F

Preview Lab

Preview with #1B608C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B608C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva