#143C5A#143C5A

#143C5A is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.069 H 244.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX#143C5A
RGBrgb(20, 60, 90)
HSLhsl(206, 64%, 22%)
HSVhsv(206, 78%, 35%)
CMYKcmyk(77.8%, 33.3%, 0%, 64.7%)
CIE-LABlab(24.06, -2.46, -21.97)
CIE-LCHlch(24.06, 22.11, 263.60°)
OKLaboklab(34.39% -0.0295 -0.0622)
OKLCHoklch(34.39% 0.069 244.6)
XYZxyz(3.7491, 4.1182, 10.2682)
Luminance0.0412 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C5A #5A3214
analogous
#145A55 #143C5A #14195A
triadic
#143C5A #5A143C #3C5A14
tetradic
#143C5A #55145A #5A3214 #195A14
square
#143C5A #55145A #5A3214 #195A14
split-complementary
#143C5A #5A1419 #5A5514
monochromatic
#061119 #091B28 #143C5A #1F5D8C #2A7FBE

Accessibility & contrast

On white

11.51
#143C5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#143C5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C5A
11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C5A#FFFFFF#000000##FFFFFF
##143C5A1.0011.511.8211.51
#FFFFFF11.511.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3D5B
Deuteranopia (green-blind)
#253659
Tritanopia (blue-blind)
#004347
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #143c5a;
/* rgb */ color: rgb(20, 60, 90);
/* oklch */ color: oklch(34.4% 0.069 244.6);
Tailwind
colors: {
  custom: {
    50: '#5c7189',
    500: '#143c5a',
    950: '#000000',
  },
}
SCSS
$custom: #143c5a;
$custom-light: #5c7189;
$custom-dark: #000000;
JSON
{
  "hex": "#143c5a",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 90
  },
  "hsl": {
    "h": 205.714,
    "s": 63.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.34385,
    "c": 0.06885,
    "h": 244.6
  },
  "luminance": 0.04119
}

Semantic roles & 50–950 ramp

primary
#143C5A
secondary
#925E38
accent
#8841E7
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#04070B
muted
#797A7C

Preview Lab

Preview with #143C5A

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

Preview Lab → · Contrast checker → · Palette generator →

#143C5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva