#143C5D#143C5D

#143C5D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.073 H 247.0°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#143C5D
RGB	rgb(20, 60, 93)
HSL	hsl(207, 65%, 22%)
HSV	hsv(207, 78%, 36%)
CMYK	cmyk(78.5%, 35.5%, 0%, 63.5%)
CIE-LAB	lab(24.23, -1.24, -23.66)
CIE-LCH	lch(24.23, 23.70, 267.00°)
OKLab	oklab(34.57% -0.0285 -0.0671)
OKLCH	oklch(34.57% 0.073 247)
XYZ	xyz(3.8794, 4.1703, 10.9543)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C5D #5D3514

analogous

#145D5A #143C5D #14185D

triadic

#143C5D #5D143C #3C5D14

tetradic

#143C5D #5A145D #5D3514 #185D14

square

#143C5D #5A145D #5D3514 #185D14

split-complementary

#143C5D #5D1418 #5D5A14

monochromatic

#051019 #091C2B #143C5D #1F5C8F #2A7DC2

Accessibility & contrast

On white

11.45

#143C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C5D

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C5D	#FFFFFF	#000000	##FFFFFF
##143C5D	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5E

Deuteranopia (green-blind)

#23365C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143c5d;
/* rgb */ color: rgb(20, 60, 93);
/* oklch */ color: oklch(34.6% 0.073 247.0);

Tailwind

colors: {
  custom: {
    50: '#5d718b',
    500: '#143c5d',
    950: '#000000',
  },
}

SCSS

$custom: #143c5d;
$custom-light: #5d718b;
$custom-dark: #000000;

JSON

{
  "hex": "#143c5d",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 207.123,
    "s": 64.602,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34573,
    "c": 0.07294,
    "h": 247
  },
  "luminance": 0.04171
}

Semantic roles & 50–950 ramp

primary

#143C5D

secondary

#956238

accent

#8C40E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143C5D

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

Preview Lab → · Contrast checker → · Palette generator →