#143D5F#143D5F

#143D5F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.075 H 247.2°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX#143D5F
RGBrgb(20, 61, 95)
HSLhsl(207, 65%, 23%)
HSVhsv(207, 79%, 37%)
CMYKcmyk(78.9%, 35.8%, 0%, 62.7%)
CIE-LABlab(24.68, -1.10, -24.25)
CIE-LCHlch(24.68, 24.28, 267.41°)
OKLaboklab(34.97% -0.0289 -0.0688)
OKLCHoklch(34.97% 0.075 247.2)
XYZxyz(4.0220, 4.3120, 11.4446)
Luminance0.0431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D5F #5F3614
analogous
#145F5B #143D5F #14185F
triadic
#143D5F #5F143D #3D5F14
tetradic
#143D5F #5B145F #5F3614 #185F14
square
#143D5F #5B145F #5F3614 #185F14
split-complementary
#143D5F #5F1418 #5F5B14
monochromatic
#051019 #091D2C #143D5F #1F5D92 #297EC4

Accessibility & contrast

On white

11.28
#143D5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#143D5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D5F
11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D5F#FFFFFF#000000##FFFFFF
##143D5F1.0011.281.8611.28
#FFFFFF11.281.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3E60
Deuteranopia (green-blind)
#23375E
Tritanopia (blue-blind)
#004549
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #143d5f;
/* rgb */ color: rgb(20, 61, 95);
/* oklch */ color: oklch(35.0% 0.075 247.2);
Tailwind
colors: {
  custom: {
    50: '#5d728c',
    500: '#143d5f',
    950: '#000000',
  },
}
SCSS
$custom: #143d5f;
$custom-light: #5d728c;
$custom-dark: #000000;
JSON
{
  "hex": "#143d5f",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 207.2,
    "s": 65.217,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34965,
    "c": 0.07468,
    "h": 247.2
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary
#143D5F
secondary
#976338
accent
#8C40E8
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #143D5F

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

Preview Lab → · Contrast checker → · Palette generator →

#143D5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva