#143F56#143F56

#143F56 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.061 H 235.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#143F56
RGB	rgb(20, 63, 86)
HSL	hsl(201, 62%, 21%)
HSV	hsv(201, 77%, 34%)
CMYK	cmyk(76.7%, 26.7%, 0%, 66.3%)
CIE-LAB	lab(24.88, -6.04, -18.07)
CIE-LCH	lch(24.88, 19.06, 251.51°)
OKLab	oklab(34.96% -0.0344 -0.0509)
OKLCH	oklch(34.96% 0.061 235.9)
XYZ	xyz(3.7451, 4.3752, 9.4494)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F56 #562B14

analogous

#14564C #143F56 #141E56

triadic

#143F56 #56143F #3F5614

tetradic

#143F56 #4C1456 #562B14 #1E5614

square

#143F56 #4C1456 #562B14 #1E5614

split-complementary

#143F56 #56141E #564C14

monochromatic

#061219 #081B24 #143F56 #206388 #2B88B9

Accessibility & contrast

On white

11.20

#143F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#143F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F56

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F56	#FFFFFF	#000000	##FFFFFF
##143F56	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F57

Deuteranopia (green-blind)

#2B3856

Tritanopia (blue-blind)

#004547

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143f56;
/* rgb */ color: rgb(20, 63, 86);
/* oklch */ color: oklch(35.0% 0.061 235.9);

Tailwind

colors: {
  custom: {
    50: '#5c7485',
    500: '#143f56',
    950: '#000000',
  },
}

SCSS

$custom: #143f56;
$custom-light: #5c7485;
$custom-dark: #000000;

JSON

{
  "hex": "#143f56",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 200.909,
    "s": 62.264,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34963,
    "c": 0.06142,
    "h": 235.9
  },
  "luminance": 0.04376
}

Semantic roles & 50–950 ramp

primary

#143F56

secondary

#8E5638

accent

#7B42E5

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143F56

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

Preview Lab → · Contrast checker → · Palette generator →