#1B568C#1B568C

#1B568C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.107 H 250.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#1B568C
RGBrgb(27, 86, 140)
HSLhsl(209, 68%, 33%)
HSVhsv(209, 81%, 55%)
CMYKcmyk(80.7%, 38.6%, 0%, 45.1%)
CIE-LABlab(35.56, 1.46, -35.27)
CIE-LCHlch(35.56, 35.30, 272.37°)
OKLaboklab(44.42% -0.0364 -0.1006)
OKLCHoklch(44.42% 0.107 250.1)
XYZxyz(8.5116, 8.7810, 26.0522)
Luminance0.0878 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B568C #8C511B
analogous
#1B8C8A #1B568C #1B1D8C
triadic
#1B568C #8C1B56 #568C1B
tetradic
#1B568C #8A1B8C #8C511B #1D8C1B
square
#1B568C #8A1B8C #8C511B #1D8C1B
split-complementary
#1B568C #8C1B1D #8C8A1B
monochromatic
#071725 #113659 #1B568C #2576BF #4694DB

Accessibility & contrast

On white

7.62
#1B568C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#1B568C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568C
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B568C#FFFFFF#000000##FFFFFF
##1B568C1.007.622.767.62
#FFFFFF7.621.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C598E
Deuteranopia (green-blind)
#2B4F8B
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1b568c;
/* rgb */ color: rgb(27, 86, 140);
/* oklch */ color: oklch(44.4% 0.107 250.1);
Tailwind
colors: {
  custom: {
    50: '#6a85ae',
    500: '#1b568c',
    950: '#000000',
  },
}
SCSS
$custom: #1b568c;
$custom-light: #6a85ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1b568c",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 140
  },
  "hsl": {
    "h": 208.673,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44415,
    "c": 0.10696,
    "h": 250.1
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary
#1B568C
secondary
#BD7F46
accent
#903DEB
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1B568C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B568C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva