#143C58#143C58

#143C58 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.066 H 242.8°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX#143C58
RGBrgb(20, 60, 88)
HSLhsl(205, 63%, 21%)
HSVhsv(205, 77%, 35%)
CMYKcmyk(77.3%, 31.8%, 0%, 65.5%)
CIE-LABlab(23.95, -3.27, -20.83)
CIE-LCHlch(23.95, 21.09, 261.07°)
OKLaboklab(34.26% -0.0302 -0.0589)
OKLCHoklch(34.26% 0.066 242.8)
XYZxyz(3.6651, 4.0846, 9.8259)
Luminance0.0408 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C58 #583014
analogous
#145852 #143C58 #141A58
triadic
#143C58 #58143C #3C5814
tetradic
#143C58 #521458 #583014 #1A5814
square
#143C58 #521458 #583014 #1A5814
split-complementary
#143C58 #58141A #585214
monochromatic
#061119 #091A26 #143C58 #1F5E8A #2B80BC

Accessibility & contrast

On white

11.56
#143C58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#143C58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C58
11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C58#FFFFFF#000000##FFFFFF
##143C581.0011.561.8211.56
#FFFFFF11.561.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3D59
Deuteranopia (green-blind)
#263657
Tritanopia (blue-blind)
#004346
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #143c58;
/* rgb */ color: rgb(20, 60, 88);
/* oklch */ color: oklch(34.3% 0.066 242.8);
Tailwind
colors: {
  custom: {
    50: '#5c7187',
    500: '#143c58',
    950: '#000000',
  },
}
SCSS
$custom: #143c58;
$custom-light: #5c7187;
$custom-dark: #000000;
JSON
{
  "hex": "#143c58",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 204.706,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34263,
    "c": 0.0662,
    "h": 242.8
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary
#143C58
secondary
#905C38
accent
#8542E6
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #143C58

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

Preview Lab → · Contrast checker → · Palette generator →

#143C58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva