#143B5F#143B5F

#143B5F is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.077 H 249.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX#143B5F
RGBrgb(20, 59, 95)
HSLhsl(209, 65%, 23%)
HSVhsv(209, 79%, 37%)
CMYKcmyk(78.9%, 37.9%, 0%, 62.7%)
CIE-LABlab(24.01, 0.26, -25.31)
CIE-LCHlch(24.01, 25.31, 270.60°)
OKLaboklab(34.44% -0.0268 -0.072)
OKLCHoklch(34.44% 0.077 249.6)
XYZxyz(3.9172, 4.1024, 11.4097)
Luminance0.0410 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#143B5F #5F3814
analogous
#145F5D #143B5F #14165F
triadic
#143B5F #5F143B #3B5F14
tetradic
#143B5F #5D145F #5F3814 #165F14
square
#143B5F #5D145F #5F3814 #165F14
split-complementary
#143B5F #5F1416 #5F5D14
monochromatic
#051019 #091C2C #143B5F #1F5A92 #297AC4

Accessibility & contrast

On white

11.53
#143B5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#143B5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B5F
11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##143B5F#FFFFFF#000000##FFFFFF
##143B5F1.0011.531.8211.53
#FFFFFF11.531.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3D61
Deuteranopia (green-blind)
#20365E
Tritanopia (blue-blind)
#004448
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #143b5f;
/* rgb */ color: rgb(20, 59, 95);
/* oklch */ color: oklch(34.4% 0.077 249.6);
Tailwind
colors: {
  custom: {
    50: '#5d708c',
    500: '#143b5f',
    950: '#000000',
  },
}
SCSS
$custom: #143b5f;
$custom-light: #5d708c;
$custom-dark: #000000;
JSON
{
  "hex": "#143b5f",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 95
  },
  "hsl": {
    "h": 208.8,
    "s": 65.217,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34438,
    "c": 0.0768,
    "h": 249.6
  },
  "luminance": 0.04103
}

Semantic roles & 50–950 ramp

primary
#143B5F
secondary
#976638
accent
#9140E8
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #143B5F

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

Preview Lab → · Contrast checker → · Palette generator →

#143B5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva