#143C6E#143C6E

#143C6E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.097 H 255.8°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#143C6E
RGBrgb(20, 60, 110)
HSLhsl(213, 69%, 25%)
HSVhsv(213, 82%, 43%)
CMYKcmyk(81.8%, 45.5%, 0%, 56.9%)
CIE-LABlab(25.28, 5.83, -32.97)
CIE-LCHlch(25.28, 33.48, 280.04°)
OKLaboklab(35.74% -0.0238 -0.0944)
OKLCHoklch(35.74% 0.097 255.8)
XYZxyz(4.7178, 4.5057, 15.3699)
Luminance0.0451 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C6E #6E4614
analogous
#14696E #143C6E #19146E
triadic
#143C6E #6E143C #3C6E14
tetradic
#143C6E #6E1469 #6E4614 #146E19
square
#143C6E #6E1469 #6E4614 #146E19
split-complementary
#143C6E #6E1914 #696E14
monochromatic
#050E1A #0B203A #143C6E #1D58A2 #2774D6

Accessibility & contrast

On white

11.05
#143C6E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#143C6E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C6E
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C6E#FFFFFF#000000##FFFFFF
##143C6E1.0011.051.9011.05
#FFFFFF11.051.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#234070
Deuteranopia (green-blind)
#12386D
Tritanopia (blue-blind)
#00484F
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #143c6e;
/* rgb */ color: rgb(20, 60, 110);
/* oklch */ color: oklch(35.7% 0.097 255.8);
Tailwind
colors: {
  custom: {
    50: '#617198',
    500: '#143c6e',
    950: '#000000',
  },
}
SCSS
$custom: #143c6e;
$custom-light: #617198;
$custom-dark: #000000;
JSON
{
  "hex": "#143c6e",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 213.333,
    "s": 69.231,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35736,
    "c": 0.09738,
    "h": 255.8
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary
#143C6E
secondary
#A57539
accent
#9E3CEC
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #143C6E

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

Preview Lab → · Contrast checker → · Palette generator →

#143C6E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva