#143A55#143A55

#143A55 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.064 H 243.0°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX#143A55
RGBrgb(20, 58, 85)
HSLhsl(205, 62%, 21%)
HSVhsv(205, 76%, 33%)
CMYKcmyk(76.5%, 31.8%, 0%, 66.7%)
CIE-LABlab(23.10, -3.14, -20.19)
CIE-LCHlch(23.10, 20.43, 261.15°)
OKLaboklab(33.54% -0.029 -0.057)
OKLCHoklch(33.54% 0.064 243)
XYZxyz(3.4406, 3.8303, 9.1506)
Luminance0.0383 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143A55 #552F14
analogous
#14554F #143A55 #141955
triadic
#143A55 #55143A #3A5514
tetradic
#143A55 #4F1455 #552F14 #195514
square
#143A55 #4F1455 #552F14 #195514
split-complementary
#143A55 #551419 #554F14
monochromatic
#061119 #081823 #143A55 #205C87 #2B7EB8

Accessibility & contrast

On white

11.89
#143A55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.77
#143A55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A55
11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143A55#FFFFFF#000000##FFFFFF
##143A551.0011.891.7711.89
#FFFFFF11.891.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3B56
Deuteranopia (green-blind)
#253455
Tritanopia (blue-blind)
#004143
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #143a55;
/* rgb */ color: rgb(20, 58, 85);
/* oklch */ color: oklch(33.5% 0.064 243.0);
Tailwind
colors: {
  custom: {
    50: '#5b7085',
    500: '#143a55',
    950: '#000000',
  },
}
SCSS
$custom: #143a55;
$custom-light: #5b7085;
$custom-dark: #000000;
JSON
{
  "hex": "#143a55",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 204.923,
    "s": 61.905,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3354,
    "c": 0.064,
    "h": 243
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary
#143A55
secondary
#8D5B38
accent
#8643E5
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #143A55

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

Preview Lab → · Contrast checker → · Palette generator →

#143A55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva