#143B6A#143B6A

#143B6A is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.093 H 255.1°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#143B6A
RGB	rgb(20, 59, 106)
HSL	hsl(213, 68%, 25%)
HSV	hsv(213, 81%, 42%)
CMYK	cmyk(81.1%, 44.3%, 0%, 58.4%)
CIE-LAB	lab(24.69, 4.85, -31.34)
CIE-LCH	lch(24.69, 31.71, 278.80°)
OKLab	oklab(35.2% -0.0238 -0.0896)
OKLCH	oklch(35.2% 0.093 255.1)
XYZ	xyz(4.4530, 4.3167, 14.2314)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B6A #6A4314

analogous

#14666A #143B6A #18146A

triadic

#143B6A #6A143B #3B6A14

tetradic

#143B6A #6A1466 #6A4314 #146A18

square

#143B6A #6A1466 #6A4314 #146A18

split-complementary

#143B6A #6A1814 #666A14

monochromatic

#050E1A #0A1E37 #143B6A #1E589D #2774D1

Accessibility & contrast

On white

11.27

#143B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B6A

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B6A	#FFFFFF	#000000	##FFFFFF
##143B6A	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243F6C

Deuteranopia (green-blind)

#153769

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143b6a;
/* rgb */ color: rgb(20, 59, 106);
/* oklch */ color: oklch(35.2% 0.093 255.1);

Tailwind

colors: {
  custom: {
    50: '#607095',
    500: '#143b6a',
    950: '#000000',
  },
}

SCSS

$custom: #143b6a;
$custom-light: #607095;
$custom-dark: #000000;

JSON

{
  "hex": "#143b6a",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 106
  },
  "hsl": {
    "h": 212.791,
    "s": 68.254,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35196,
    "c": 0.09275,
    "h": 255.1
  },
  "luminance": 0.04317
}

Semantic roles & 50–950 ramp

primary

#143B6A

secondary

#A17239

accent

#9C3DEB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #143B6A

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

Preview Lab → · Contrast checker → · Palette generator →