#1B648A#1B648A

#1B648A is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.8% C 0.092 H 236.7°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#1B648A
RGBrgb(27, 100, 138)
HSLhsl(201, 67%, 32%)
HSVhsv(201, 80%, 54%)
CMYKcmyk(80.4%, 27.5%, 0%, 45.9%)
CIE-LABlab(39.88, -8.07, -27.24)
CIE-LCHlch(39.88, 28.41, 253.50°)
OKLaboklab(47.8% -0.0506 -0.0769)
OKLCHoklch(47.8% 0.092 236.7)
XYZxyz(9.5948, 11.1812, 25.6923)
Luminance0.1118 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B648A #8A411B
analogous
#1B8A79 #1B648A #1B2C8A
triadic
#1B648A #8A1B64 #648A1B
tetradic
#1B648A #791B8A #8A411B #2C8A1B
square
#1B648A #791B8A #8A411B #2C8A1B
split-complementary
#1B648A #8A1B2C #8A791B
monochromatic
#071A24 #113F57 #1B648A #2589BD #45A7DB

Accessibility & contrast

On white

6.49
#1B648A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#1B648A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B648A
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B648A#FFFFFF#000000##FFFFFF
##1B648A1.006.493.246.49
#FFFFFF6.491.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#52648C
Deuteranopia (green-blind)
#435989
Tritanopia (blue-blind)
#006E71
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #1b648a;
/* rgb */ color: rgb(27, 100, 138);
/* oklch */ color: oklch(47.8% 0.092 236.7);
Tailwind
colors: {
  custom: {
    50: '#6a90ac',
    500: '#1b648a',
    950: '#000000',
  },
}
SCSS
$custom: #1b648a;
$custom-light: #6a90ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b648a",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 138
  },
  "hsl": {
    "h": 200.541,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.47796,
    "c": 0.09208,
    "h": 236.7
  },
  "luminance": 0.11182
}

Semantic roles & 50–950 ramp

primary
#1B648A
secondary
#BC6E45
accent
#793EEA
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F

Preview Lab

Preview with #1B648A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B648A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva