#143F6A#143F6A

#143F6A is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.088 H 251.6°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#143F6A
RGB	rgb(20, 63, 106)
HSL	hsl(210, 68%, 25%)
HSV	hsv(210, 81%, 42%)
CMYK	cmyk(81.1%, 40.6%, 0%, 58.4%)
CIE-LAB	lab(25.99, 2.09, -29.27)
CIE-LCH	lch(25.99, 29.34, 274.08°)
OKLab	oklab(36.21% -0.0277 -0.0835)
OKLCH	oklch(36.21% 0.088 251.6)
XYZ	xyz(4.6665, 4.7438, 14.3026)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F6A #6A3F14

analogous

#146A6A #143F6A #14146A

triadic

#143F6A #6A143F #3F6A14

tetradic

#143F6A #6A146A #6A3F14 #146A14

square

#143F6A #6A146A #6A3F14 #146A14

split-complementary

#143F6A #6A1414 #6A6A14

monochromatic

#050F1A #0A2037 #143F6A #1E5E9D #277CD1

Accessibility & contrast

On white

10.78

#143F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#143F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F6A

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F6A	#FFFFFF	#000000	##FFFFFF
##143F6A	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B426C

Deuteranopia (green-blind)

#1D3A69

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #143f6a;
/* rgb */ color: rgb(20, 63, 106);
/* oklch */ color: oklch(36.2% 0.088 251.6);

Tailwind

colors: {
  custom: {
    50: '#607395',
    500: '#143f6a',
    950: '#000000',
  },
}

SCSS

$custom: #143f6a;
$custom-light: #607395;
$custom-dark: #000000;

JSON

{
  "hex": "#143f6a",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 106
  },
  "hsl": {
    "h": 210,
    "s": 68.254,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36209,
    "c": 0.08797,
    "h": 251.6
  },
  "luminance": 0.04744
}

Semantic roles & 50–950 ramp

primary

#143F6A

secondary

#A16D39

accent

#943DEB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #143F6A

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

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