#1B568A#1B568A

#1B568A is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.104 H 249.2°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#1B568A
RGBrgb(27, 86, 138)
HSLhsl(208, 67%, 32%)
HSVhsv(208, 80%, 54%)
CMYKcmyk(80.4%, 37.7%, 0%, 45.9%)
CIE-LABlab(35.44, 0.67, -34.23)
CIE-LCHlch(35.44, 34.24, 271.11°)
OKLaboklab(44.29% -0.037 -0.0975)
OKLCHoklch(44.29% 0.104 249.2)
XYZxyz(8.3655, 8.7226, 25.2826)
Luminance0.0872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B568A #8A4F1B
analogous
#1B8A87 #1B568A #1B1F8A
triadic
#1B568A #8A1B56 #568A1B
tetradic
#1B568A #871B8A #8A4F1B #1F8A1B
square
#1B568A #871B8A #8A4F1B #1F8A1B
split-complementary
#1B568A #8A1B1F #8A871B
monochromatic
#071624 #113657 #1B568A #2576BD #4594DB

Accessibility & contrast

On white

7.65
#1B568A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1B568A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568A
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B568A#FFFFFF#000000##FFFFFF
##1B568A1.007.652.747.65
#FFFFFF7.651.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E598C
Deuteranopia (green-blind)
#2D4F89
Tritanopia (blue-blind)
#006269
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1b568a;
/* rgb */ color: rgb(27, 86, 138);
/* oklch */ color: oklch(44.3% 0.104 249.2);
Tailwind
colors: {
  custom: {
    50: '#6a85ac',
    500: '#1b568a',
    950: '#000000',
  },
}
SCSS
$custom: #1b568a;
$custom-light: #6a85ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b568a",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 138
  },
  "hsl": {
    "h": 208.108,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44287,
    "c": 0.10431,
    "h": 249.2
  },
  "luminance": 0.08724
}

Semantic roles & 50–950 ramp

primary
#1B568A
secondary
#BC7D45
accent
#8E3EEA
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1B568A

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

Preview Lab → · Contrast checker → · Palette generator →

#1B568A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva