#1B668C#1B668C

#1B668C is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.093 H 236.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#1B668C
RGBrgb(27, 102, 140)
HSLhsl(200, 68%, 33%)
HSVhsv(200, 81%, 55%)
CMYKcmyk(80.7%, 27.1%, 0%, 45.1%)
CIE-LABlab(40.62, -8.52, -27.29)
CIE-LCHlch(40.62, 28.59, 252.67°)
OKLaboklab(48.41% -0.0519 -0.0771)
OKLCHoklch(48.41% 0.093 236.1)
XYZxyz(9.9351, 11.6280, 26.5267)
Luminance0.1163 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B668C #8C411B
analogous
#1B8C79 #1B668C #1B2D8C
triadic
#1B668C #8C1B66 #668C1B
tetradic
#1B668C #791B8C #8C411B #2D8C1B
square
#1B668C #791B8C #8C411B #2D8C1B
split-complementary
#1B668C #8C1B2D #8C791B
monochromatic
#071B25 #114159 #1B668C #258BBF #46A9DB

Accessibility & contrast

On white

6.31
#1B668C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#1B668C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B668C
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B668C#FFFFFF#000000##FFFFFF
##1B668C1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54668E
Deuteranopia (green-blind)
#445B8B
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #1b668c;
/* rgb */ color: rgb(27, 102, 140);
/* oklch */ color: oklch(48.4% 0.093 236.1);
Tailwind
colors: {
  custom: {
    50: '#6b91ad',
    500: '#1b668c',
    950: '#000000',
  },
}
SCSS
$custom: #1b668c;
$custom-light: #6b91ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1b668c",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 140
  },
  "hsl": {
    "h": 200.177,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.48412,
    "c": 0.09291,
    "h": 236.1
  },
  "luminance": 0.11629
}

Semantic roles & 50–950 ramp

primary
#1B668C
secondary
#BD6E46
accent
#783DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1B668C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B668C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva