#143B79#143B79

#143B79 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.115 H 259.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX#143B79
RGBrgb(20, 59, 121)
HSLhsl(217, 72%, 28%)
HSVhsv(217, 83%, 47%)
CMYKcmyk(83.5%, 51.2%, 0%, 52.5%)
CIE-LABlab(25.73, 11.17, -39.23)
CIE-LCHlch(25.73, 40.79, 285.89°)
OKLaboklab(36.33% -0.0208 -0.1128)
OKLCHoklch(36.33% 0.115 259.5)
XYZxyz(5.3024, 4.6565, 18.7048)
Luminance0.0466 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143B79 #795214
analogous
#146D79 #143B79 #201479
triadic
#143B79 #79143B #3B7914
tetradic
#143B79 #79146D #795214 #147920
square
#143B79 #79146D #795214 #147920
split-complementary
#143B79 #792014 #6D7914
monochromatic
#040D1A #0B2144 #143B79 #1D55AE #2B70DC

Accessibility & contrast

On white

10.87
#143B79 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#143B79 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B79
10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143B79#FFFFFF#000000##FFFFFF
##143B791.0010.871.9310.87
#FFFFFF10.871.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#16427B
Deuteranopia (green-blind)
#003978
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #143b79;
/* rgb */ color: rgb(20, 59, 121);
/* oklch */ color: oklch(36.3% 0.115 259.5);
Tailwind
colors: {
  custom: {
    50: '#6470a0',
    500: '#143b79',
    950: '#000000',
  },
}
SCSS
$custom: #143b79;
$custom-light: #6470a0;
$custom-dark: #000000;
JSON
{
  "hex": "#143b79",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 216.832,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36334,
    "c": 0.11475,
    "h": 259.5
  },
  "luminance": 0.04657
}

Semantic roles & 50–950 ramp

primary
#143B79
secondary
#AF823A
accent
#A939EE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #143B79

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

Preview Lab → · Contrast checker → · Palette generator →

#143B79 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva