#143C74#143C74

#143C74 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.106 H 257.7°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#143C74
RGBrgb(20, 60, 116)
HSLhsl(215, 71%, 27%)
HSVhsv(215, 83%, 45%)
CMYKcmyk(82.8%, 48.3%, 0%, 54.5%)
CIE-LABlab(25.69, 8.36, -36.14)
CIE-LCHlch(25.69, 37.09, 283.02°)
OKLaboklab(36.18% -0.0225 -0.1037)
OKLCHoklch(36.18% 0.106 257.7)
XYZxyz(5.0556, 4.6408, 17.1489)
Luminance0.0464 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143C74 #744C14
analogous
#146C74 #143C74 #1C1474
triadic
#143C74 #74143C #3C7414
tetradic
#143C74 #74146C #744C14 #14741C
square
#143C74 #74146C #744C14 #14741C
split-complementary
#143C74 #741C14 #6C7414
monochromatic
#050E1A #0B2140 #143C74 #1D57A8 #2872DA

Accessibility & contrast

On white

10.89
#143C74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#143C74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C74
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143C74#FFFFFF#000000##FFFFFF
##143C741.0010.891.9310.89
#FFFFFF10.891.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E4176
Deuteranopia (green-blind)
#053973
Tritanopia (blue-blind)
#004952
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #143c74;
/* rgb */ color: rgb(20, 60, 116);
/* oklch */ color: oklch(36.2% 0.106 257.7);
Tailwind
colors: {
  custom: {
    50: '#62719c',
    500: '#143c74',
    950: '#000000',
  },
}
SCSS
$custom: #143c74;
$custom-light: #62719c;
$custom-dark: #000000;
JSON
{
  "hex": "#143c74",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 215,
    "s": 70.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36183,
    "c": 0.10615,
    "h": 257.7
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary
#143C74
secondary
#AA7B3A
accent
#A33AED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #143C74

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

Preview Lab → · Contrast checker → · Palette generator →

#143C74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva