#143A5A#143A5A

#143A5A is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.071 H 247.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX#143A5A
RGBrgb(20, 58, 90)
HSLhsl(207, 64%, 22%)
HSVhsv(207, 78%, 35%)
CMYKcmyk(77.8%, 35.6%, 0%, 64.7%)
CIE-LABlab(23.38, -1.11, -23.04)
CIE-LCHlch(23.38, 23.06, 267.24°)
OKLaboklab(33.85% -0.0273 -0.0653)
OKLCHoklch(33.85% 0.071 247.3)
XYZxyz(3.6463, 3.9126, 10.2339)
Luminance0.0391 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143A5A #5A3414
analogous
#145A57 #143A5A #14175A
triadic
#143A5A #5A143A #3A5A14
tetradic
#143A5A #57145A #5A3414 #175A14
square
#143A5A #57145A #5A3414 #175A14
split-complementary
#143A5A #5A1417 #5A5714
monochromatic
#061019 #091A28 #143A5A #1F5A8C #2A7BBE

Accessibility & contrast

On white

11.78
#143A5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#143A5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5A
11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143A5A#FFFFFF#000000##FFFFFF
##143A5A1.0011.781.7811.78
#FFFFFF11.781.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3B5B
Deuteranopia (green-blind)
#223559
Tritanopia (blue-blind)
#004245
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #143a5a;
/* rgb */ color: rgb(20, 58, 90);
/* oklch */ color: oklch(33.9% 0.071 247.3);
Tailwind
colors: {
  custom: {
    50: '#5c6f89',
    500: '#143a5a',
    950: '#000000',
  },
}
SCSS
$custom: #143a5a;
$custom-light: #5c6f89;
$custom-dark: #000000;
JSON
{
  "hex": "#143a5a",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 90
  },
  "hsl": {
    "h": 207.429,
    "s": 63.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33851,
    "c": 0.07081,
    "h": 247.3
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary
#143A5A
secondary
#926138
accent
#8D41E7
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#04070B
muted
#797A7C

Preview Lab

Preview with #143A5A

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

Preview Lab → · Contrast checker → · Palette generator →

#143A5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva