#143A5F#143A5F

#143A5F is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.078 H 250.7°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX#143A5F
RGBrgb(20, 58, 95)
HSLhsl(210, 65%, 23%)
HSVhsv(210, 79%, 37%)
CMYKcmyk(78.9%, 38.9%, 0%, 62.7%)
CIE-LABlab(23.67, 0.95, -25.84)
CIE-LCHlch(23.67, 25.86, 272.11°)
OKLaboklab(34.18% -0.0257 -0.0735)
OKLCHoklch(34.18% 0.078 250.7)
XYZxyz(3.8663, 4.0006, 11.3927)
Luminance0.0400 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143A5F #5F3914
analogous
#145F5E #143A5F #14155F
triadic
#143A5F #5F143A #3A5F14
tetradic
#143A5F #5E145F #5F3914 #155F14
square
#143A5F #5E145F #5F3914 #155F14
split-complementary
#143A5F #5F1415 #5F5E14
monochromatic
#050F19 #091B2C #143A5F #1F5992 #2978C4

Accessibility & contrast

On white

11.67
#143A5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#143A5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5F
11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143A5F#FFFFFF#000000##FFFFFF
##143A5F1.0011.671.8011.67
#FFFFFF11.671.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#293C61
Deuteranopia (green-blind)
#1E355E
Tritanopia (blue-blind)
#004348
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #143a5f;
/* rgb */ color: rgb(20, 58, 95);
/* oklch */ color: oklch(34.2% 0.078 250.7);
Tailwind
colors: {
  custom: {
    50: '#5d6f8c',
    500: '#143a5f',
    950: '#000000',
  },
}
SCSS
$custom: #143a5f;
$custom-light: #5d6f8c;
$custom-dark: #000000;
JSON
{
  "hex": "#143a5f",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 95
  },
  "hsl": {
    "h": 209.6,
    "s": 65.217,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34177,
    "c": 0.07791,
    "h": 250.7
  },
  "luminance": 0.04001
}

Semantic roles & 50–950 ramp

primary
#143A5F
secondary
#976738
accent
#9340E8
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #143A5F

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

Preview Lab → · Contrast checker → · Palette generator →

#143A5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva