#143F71#143F71

#143F71 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.098 H 254.7°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX#143F71
RGBrgb(20, 63, 113)
HSLhsl(212, 70%, 26%)
HSVhsv(212, 82%, 44%)
CMYKcmyk(82.3%, 44.2%, 0%, 55.7%)
CIE-LABlab(26.43, 5.01, -33.03)
CIE-LCHlch(26.43, 33.41, 278.62°)
OKLaboklab(36.7% -0.0259 -0.0945)
OKLCHoklch(36.7% 0.098 254.7)
XYZxyz(5.0455, 4.8954, 16.2986)
Luminance0.0490 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143F71 #714614
analogous
#146D71 #143F71 #171471
triadic
#143F71 #71143F #3F7114
tetradic
#143F71 #71146D #714614 #147117
square
#143F71 #71146D #714614 #147117
split-complementary
#143F71 #711714 #6D7114
monochromatic
#050E1A #0B223D #143F71 #1D5CA5 #2779D9

Accessibility & contrast

On white

10.61
#143F71 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#143F71 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F71
10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143F71#FFFFFF#000000##FFFFFF
##143F711.0010.611.9810.61
#FFFFFF10.611.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#264373
Deuteranopia (green-blind)
#153B70
Tritanopia (blue-blind)
#004B52
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #143f71;
/* rgb */ color: rgb(20, 63, 113);
/* oklch */ color: oklch(36.7% 0.098 254.7);
Tailwind
colors: {
  custom: {
    50: '#62739a',
    500: '#143f71',
    950: '#000000',
  },
}
SCSS
$custom: #143f71;
$custom-light: #62739a;
$custom-dark: #000000;
JSON
{
  "hex": "#143f71",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 212.258,
    "s": 69.925,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36698,
    "c": 0.09802,
    "h": 254.7
  },
  "luminance": 0.04896
}

Semantic roles & 50–950 ramp

primary
#143F71
secondary
#A77539
accent
#9B3BED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #143F71

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

Preview Lab → · Contrast checker → · Palette generator →

#143F71 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva