#143D5D#143D5D

#143D5D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.072 H 245.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX#143D5D
RGBrgb(20, 61, 93)
HSLhsl(206, 65%, 22%)
HSVhsv(206, 78%, 36%)
CMYKcmyk(78.5%, 34.4%, 0%, 63.5%)
CIE-LABlab(24.56, -1.91, -23.13)
CIE-LCHlch(24.56, 23.21, 265.27°)
OKLaboklab(34.84% -0.0296 -0.0656)
OKLCHoklch(34.84% 0.072 245.7)
XYZxyz(3.9323, 4.2761, 10.9719)
Luminance0.0428 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D5D #5D3414
analogous
#145D59 #143D5D #14195D
triadic
#143D5D #5D143D #3D5D14
tetradic
#143D5D #59145D #5D3414 #195D14
square
#143D5D #59145D #5D3414 #195D14
split-complementary
#143D5D #5D1419 #5D5914
monochromatic
#051119 #091C2B #143D5D #1F5E8F #2A7FC2

Accessibility & contrast

On white

11.32
#143D5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#143D5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D5D
11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D5D#FFFFFF#000000##FFFFFF
##143D5D1.0011.321.8611.32
#FFFFFF11.321.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3E5E
Deuteranopia (green-blind)
#24375C
Tritanopia (blue-blind)
#004548
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #143d5d;
/* rgb */ color: rgb(20, 61, 93);
/* oklch */ color: oklch(34.8% 0.072 245.7);
Tailwind
colors: {
  custom: {
    50: '#5d728b',
    500: '#143d5d',
    950: '#000000',
  },
}
SCSS
$custom: #143d5d;
$custom-light: #5d728b;
$custom-dark: #000000;
JSON
{
  "hex": "#143d5d",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 206.301,
    "s": 64.602,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34839,
    "c": 0.07194,
    "h": 245.7
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary
#143D5D
secondary
#956138
accent
#8A40E8
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #143D5D

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

Preview Lab → · Contrast checker → · Palette generator →

#143D5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva