#143C66#143C66

#143C66 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.086 H 252.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#143C66
RGB	rgb(20, 60, 102)
HSL	hsl(211, 67%, 24%)
HSV	hsv(211, 80%, 40%)
CMYK	cmyk(80.4%, 41.2%, 0%, 60%)
CIE-LAB	lab(24.76, 2.48, -28.65)
CIE-LCH	lch(24.76, 28.76, 274.95°)
OKLab	oklab(35.17% -0.0258 -0.0817)
OKLCH	oklch(35.17% 0.086 252.5)
XYZ	xyz(4.3017, 4.3393, 13.1786)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C66 #663E14

analogous

#146566 #143C66 #151466

triadic

#143C66 #66143C #3C6614

tetradic

#143C66 #661465 #663E14 #146615

square

#143C66 #661465 #663E14 #146615

split-complementary

#143C66 #661514 #656614

monochromatic

#050F1A #0A1E33 #143C66 #1E5A99 #2878CC

Accessibility & contrast

On white

11.24

#143C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#143C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C66

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C66	#FFFFFF	#000000	##FFFFFF
##143C66	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F68

Deuteranopia (green-blind)

#1B3765

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143c66;
/* rgb */ color: rgb(20, 60, 102);
/* oklch */ color: oklch(35.2% 0.086 252.5);

Tailwind

colors: {
  custom: {
    50: '#5f7192',
    500: '#143c66',
    950: '#000000',
  },
}

SCSS

$custom: #143c66;
$custom-light: #5f7192;
$custom-dark: #000000;

JSON

{
  "hex": "#143c66",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 102
  },
  "hsl": {
    "h": 210.732,
    "s": 67.213,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35168,
    "c": 0.08572,
    "h": 252.5
  },
  "luminance": 0.0434
}

Semantic roles & 50–950 ramp

primary

#143C66

secondary

#9D6C39

accent

#963EEA

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #143C66

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

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