#143A7A#143A7A

#143A7A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.118 H 260.3°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX#143A7A
RGBrgb(20, 58, 122)
HSLhsl(218, 72%, 28%)
HSVhsv(218, 84%, 48%)
CMYKcmyk(83.6%, 52.5%, 0%, 52.2%)
CIE-LABlab(25.50, 12.30, -40.23)
CIE-LCHlch(25.50, 42.07, 286.99°)
OKLaboklab(36.18% -0.0199 -0.1158)
OKLCHoklch(36.18% 0.118 260.3)
XYZxyz(5.3131, 4.5793, 19.0125)
Luminance0.0458 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143A7A #7A5414
analogous
#146D7A #143A7A #21147A
triadic
#143A7A #7A143A #3A7A14
tetradic
#143A7A #7A146D #7A5414 #147A21
square
#143A7A #7A146D #7A5414 #147A21
split-complementary
#143A7A #7A2114 #6D7A14
monochromatic
#040C1A #0B2145 #143A7A #1D53AF #2C6EDC

Accessibility & contrast

On white

10.96
#143A7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#143A7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A7A
10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143A7A#FFFFFF#000000##FFFFFF
##143A7A1.0010.961.9210.96
#FFFFFF10.961.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#11417C
Deuteranopia (green-blind)
#003879
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #143a7a;
/* rgb */ color: rgb(20, 58, 122);
/* oklch */ color: oklch(36.2% 0.118 260.3);
Tailwind
colors: {
  custom: {
    50: '#646fa1',
    500: '#143a7a',
    950: '#000000',
  },
}
SCSS
$custom: #143a7a;
$custom-light: #646fa1;
$custom-dark: #000000;
JSON
{
  "hex": "#143a7a",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 122
  },
  "hsl": {
    "h": 217.647,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3618,
    "c": 0.11752,
    "h": 260.3
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary
#143A7A
secondary
#B0843A
accent
#AB39EF
background
#F6F6FA
surface
#EBECF3
border
#C6C7CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #143A7A

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

Preview Lab → · Contrast checker → · Palette generator →

#143A7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva