#143F79#143F79

#143F79 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.3% C 0.110 H 257.3°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#143F79
RGB	rgb(20, 63, 121)
HSL	hsl(214, 72%, 28%)
HSV	hsv(214, 83%, 47%)
CMYK	cmyk(83.5%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(26.97, 8.36, -37.23)
CIE-LCH	lch(26.97, 38.16, 282.65°)
OKLab	oklab(37.29% -0.0242 -0.1069)
OKLCH	oklch(37.29% 0.11 257.3)
XYZ	xyz(5.5159, 5.0835, 18.7760)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F79 #794E14

analogous

#147279 #143F79 #1B1479

triadic

#143F79 #79143F #3F7914

tetradic

#143F79 #791472 #794E14 #14791B

square

#143F79 #791472 #794E14 #14791B

split-complementary

#143F79 #791B14 #727914

monochromatic

#040E1A #0B2444 #143F79 #1D5AAE #2B77DC

Accessibility & contrast

On white

10.41

#143F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#143F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F79

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F79	#FFFFFF	#000000	##FFFFFF
##143F79	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#063B78

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143f79;
/* rgb */ color: rgb(20, 63, 121);
/* oklch */ color: oklch(37.3% 0.110 257.3);

Tailwind

colors: {
  custom: {
    50: '#6473a0',
    500: '#143f79',
    950: '#000000',
  },
}

SCSS

$custom: #143f79;
$custom-light: #6473a0;
$custom-dark: #000000;

JSON

{
  "hex": "#143f79",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 214.455,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37287,
    "c": 0.10959,
    "h": 257.3
  },
  "luminance": 0.05084
}

Semantic roles & 50–950 ramp

primary

#143F79

secondary

#AF7D3A

accent

#A139EE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #143F79

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

Preview Lab → · Contrast checker → · Palette generator →