#1B496F#1B496F

#1B496F is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.3% C 0.082 H 246.9°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#1B496F
RGBrgb(27, 73, 111)
HSLhsl(207, 61%, 27%)
HSVhsv(207, 76%, 44%)
CMYKcmyk(75.7%, 34.2%, 0%, 56.5%)
CIE-LABlab(29.78, -1.57, -26.44)
CIE-LCHlch(29.78, 26.49, 266.61°)
OKLaboklab(39.34% -0.032 -0.075)
OKLCHoklch(39.34% 0.082 246.9)
XYZxyz(5.7027, 6.1452, 15.9214)
Luminance0.0615 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B496F #6F411B
analogous
#1B6F6B #1B496F #1B1F6F
triadic
#1B496F #6F1B49 #496F1B
tetradic
#1B496F #6B1B6F #6F411B #1F6F1B
square
#1B496F #6B1B6F #6F411B #1F6F1B
split-complementary
#1B496F #6F1B1F #6F6B1B
monochromatic
#061019 #0F293E #1B496F #2769A0 #3689CE

Accessibility & contrast

On white

9.42
#1B496F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.23
#1B496F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B496F
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B496F#FFFFFF#000000##FFFFFF
##1B496F1.009.422.239.42
#FFFFFF9.421.0021.001.00
#0000002.2321.001.0021.00
##FFFFFF9.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#384A71
Deuteranopia (green-blind)
#2C436E
Tritanopia (blue-blind)
#005257
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1b496f;
/* rgb */ color: rgb(27, 73, 111);
/* oklch */ color: oklch(39.3% 0.082 246.9);
Tailwind
colors: {
  custom: {
    50: '#647b98',
    500: '#1b496f',
    950: '#000000',
  },
}
SCSS
$custom: #1b496f;
$custom-light: #647b98;
$custom-dark: #000000;
JSON
{
  "hex": "#1b496f",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 111
  },
  "hsl": {
    "h": 207.143,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.39338,
    "c": 0.08153,
    "h": 246.9
  },
  "luminance": 0.06146
}

Semantic roles & 50–950 ramp

primary
#1B496F
secondary
#A46E42
accent
#8C44E4
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #1B496F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B496F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva