#143D7D#143D7D

#143D7D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.118 H 259.3°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#143D7D
RGBrgb(20, 61, 125)
HSLhsl(217, 72%, 28%)
HSVhsv(217, 84%, 49%)
CMYKcmyk(84%, 51.2%, 0%, 51%)
CIE-LABlab(26.64, 11.44, -40.29)
CIE-LCHlch(26.64, 41.88, 285.85°)
OKLaboklab(37.12% -0.0218 -0.1159)
OKLCHoklch(37.12% 0.118 259.3)
XYZxyz(5.6576, 4.9662, 20.0585)
Luminance0.0497 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143D7D #7D5414
analogous
#14717D #143D7D #1F147D
triadic
#143D7D #7D143D #3D7D14
tetradic
#143D7D #7D1471 #7D5414 #147D1F
square
#143D7D #7D1471 #7D5414 #147D1F
split-complementary
#143D7D #7D1F14 #717D14
monochromatic
#040D1A #0C2348 #143D7D #1C57B2 #2E72DE

Accessibility & contrast

On white

10.53
#143D7D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#143D7D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D7D
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143D7D#FFFFFF#000000##FFFFFF
##143D7D1.0010.531.9910.53
#FFFFFF10.531.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#16447F
Deuteranopia (green-blind)
#003B7C
Tritanopia (blue-blind)
#004C57
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #143d7d;
/* rgb */ color: rgb(20, 61, 125);
/* oklch */ color: oklch(37.1% 0.118 259.3);
Tailwind
colors: {
  custom: {
    50: '#6571a3',
    500: '#143d7d',
    950: '#000000',
  },
}
SCSS
$custom: #143d7d;
$custom-light: #6571a3;
$custom-dark: #000000;
JSON
{
  "hex": "#143d7d",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 216.571,
    "s": 72.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37122,
    "c": 0.11795,
    "h": 259.3
  },
  "luminance": 0.04967
}

Semantic roles & 50–950 ramp

primary
#143D7D
secondary
#B2843A
accent
#A839EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #143D7D

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

Preview Lab → · Contrast checker → · Palette generator →

#143D7D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva