#1B568D#1B568D

#1B568D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.108 H 250.5°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#1B568D
RGBrgb(27, 86, 141)
HSLhsl(209, 68%, 33%)
HSVhsv(209, 81%, 55%)
CMYKcmyk(80.9%, 39%, 0%, 44.7%)
CIE-LABlab(35.62, 1.86, -35.78)
CIE-LCHlch(35.62, 35.83, 272.97°)
OKLaboklab(44.48% -0.0361 -0.1021)
OKLCHoklch(44.48% 0.108 250.5)
XYZxyz(8.5857, 8.8106, 26.4423)
Luminance0.0881 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B568D #8D521B
analogous
#1B8D8B #1B568D #1B1D8D
triadic
#1B568D #8D1B56 #568D1B
tetradic
#1B568D #8B1B8D #8D521B #1D8D1B
square
#1B568D #8B1B8D #8D521B #1D8D1B
split-complementary
#1B568D #8D1B1D #8D8B1B
monochromatic
#071726 #11375A #1B568D #2575C0 #4794DC

Accessibility & contrast

On white

7.60
#1B568D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#1B568D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568D
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B568D#FFFFFF#000000##FFFFFF
##1B568D1.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C598F
Deuteranopia (green-blind)
#2A4F8C
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1b568d;
/* rgb */ color: rgb(27, 86, 141);
/* oklch */ color: oklch(44.5% 0.108 250.5);
Tailwind
colors: {
  custom: {
    50: '#6a85ae',
    500: '#1b568d',
    950: '#000000',
  },
}
SCSS
$custom: #1b568d;
$custom-light: #6a85ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1b568d",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 141
  },
  "hsl": {
    "h": 208.947,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44479,
    "c": 0.1083,
    "h": 250.5
  },
  "luminance": 0.08812
}

Semantic roles & 50–950 ramp

primary
#1B568D
secondary
#BD8046
accent
#913DEB
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1B568D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B568D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva