#143979#143979

#143979 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.117 H 260.6°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX#143979
RGBrgb(20, 57, 121)
HSLhsl(218, 72%, 28%)
HSVhsv(218, 83%, 47%)
CMYKcmyk(83.5%, 52.9%, 0%, 52.5%)
CIE-LABlab(25.12, 12.58, -40.21)
CIE-LCHlch(25.12, 42.14, 287.38°)
OKLaboklab(35.87% -0.0192 -0.1158)
OKLCHoklch(35.87% 0.117 260.6)
XYZxyz(5.2016, 4.4548, 18.6712)
Luminance0.0445 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143979 #795414
analogous
#146B79 #143979 #221479
triadic
#143979 #791439 #397914
tetradic
#143979 #79146B #795414 #147922
square
#143979 #79146B #795414 #147922
split-complementary
#143979 #792214 #6B7914
monochromatic
#040C1A #0B2044 #143979 #1D52AE #2B6CDC

Accessibility & contrast

On white

11.11
#143979 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#143979 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143979
11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143979#FFFFFF#000000##FFFFFF
##1439791.0011.111.8911.11
#FFFFFF11.111.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0F407B
Deuteranopia (green-blind)
#003778
Tritanopia (blue-blind)
#004953
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #143979;
/* rgb */ color: rgb(20, 57, 121);
/* oklch */ color: oklch(35.9% 0.117 260.6);
Tailwind
colors: {
  custom: {
    50: '#646ea0',
    500: '#143979',
    950: '#000000',
  },
}
SCSS
$custom: #143979;
$custom-light: #646ea0;
$custom-dark: #000000;
JSON
{
  "hex": "#143979",
  "rgb": {
    "r": 20,
    "g": 57,
    "b": 121
  },
  "hsl": {
    "h": 218.02,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35866,
    "c": 0.11738,
    "h": 260.6
  },
  "luminance": 0.04455
}

Semantic roles & 50–950 ramp

primary
#143979
secondary
#AF843A
accent
#AC39EE
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #143979

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

Preview Lab → · Contrast checker → · Palette generator →

#143979 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva