#143C7A#143C7A

#143C7A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.115 H 259.2°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX#143C7A
RGBrgb(20, 60, 122)
HSLhsl(216, 72%, 28%)
HSVhsv(216, 84%, 48%)
CMYKcmyk(83.6%, 50.8%, 0%, 52.2%)
CIE-LABlab(26.11, 10.88, -39.25)
CIE-LCHlch(26.11, 40.73, 285.50°)
OKLaboklab(36.65% -0.0215 -0.1129)
OKLCHoklch(36.65% 0.115 259.2)
XYZxyz(5.4159, 4.7849, 19.0467)
Luminance0.0479 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C7A #7A5214
analogous
#146F7A #143C7A #1F147A
triadic
#143C7A #7A143C #3C7A14
tetradic
#143C7A #7A146F #7A5214 #147A1F
square
#143C7A #7A146F #7A5214 #147A1F
split-complementary
#143C7A #7A1F14 #6F7A14
monochromatic
#040D1A #0B2245 #143C7A #1D56AF #2C71DC

Accessibility & contrast

On white

10.73
#143C7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#143C7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C7A
10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C7A#FFFFFF#000000##FFFFFF
##143C7A1.0010.731.9610.73
#FFFFFF10.731.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17437C
Deuteranopia (green-blind)
#003979
Tritanopia (blue-blind)
#004B55
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #143c7a;
/* rgb */ color: rgb(20, 60, 122);
/* oklch */ color: oklch(36.6% 0.115 259.2);
Tailwind
colors: {
  custom: {
    50: '#6471a1',
    500: '#143c7a',
    950: '#000000',
  },
}
SCSS
$custom: #143c7a;
$custom-light: #6471a1;
$custom-dark: #000000;
JSON
{
  "hex": "#143c7a",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 122
  },
  "hsl": {
    "h": 216.471,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36649,
    "c": 0.11491,
    "h": 259.2
  },
  "luminance": 0.04786
}

Semantic roles & 50–950 ramp

primary
#143C7A
secondary
#B0823A
accent
#A739EF
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #143C7A

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

Preview Lab → · Contrast checker → · Palette generator →

#143C7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva