#143F54#143F54

#143F54 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.059 H 233.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#143F54
RGB	rgb(20, 63, 84)
HSL	hsl(200, 62%, 20%)
HSV	hsv(200, 76%, 33%)
CMYK	cmyk(76.2%, 25%, 0%, 67.1%)
CIE-LAB	lab(24.78, -6.83, -16.92)
CIE-LCH	lch(24.78, 18.24, 248.02°)
OKLab	oklab(34.85% -0.0352 -0.0475)
OKLCH	oklch(34.85% 0.059 233.5)
XYZ	xyz(3.6656, 4.3434, 9.0310)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F54 #542914

analogous

#145449 #143F54 #141F54

triadic

#143F54 #54143F #3F5414

tetradic

#143F54 #491454 #542914 #1F5414

square

#143F54 #491454 #542914 #1F5414

split-complementary

#143F54 #54141F #544914

monochromatic

#061319 #081A23 #143F54 #206485 #2C89B7

Accessibility & contrast

On white

11.24

#143F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#143F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F54

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F54	#FFFFFF	#000000	##FFFFFF
##143F54	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)

#353E55

Deuteranopia (green-blind)

#2C3854

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143f54;
/* rgb */ color: rgb(20, 63, 84);
/* oklch */ color: oklch(34.9% 0.059 233.5);

Tailwind

colors: {
  custom: {
    50: '#5b7484',
    500: '#143f54',
    950: '#000000',
  },
}

SCSS

$custom: #143f54;
$custom-light: #5b7484;
$custom-dark: #000000;

JSON

{
  "hex": "#143f54",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 199.688,
    "s": 61.538,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34851,
    "c": 0.05916,
    "h": 233.5
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#143F54

secondary

#8C5338

accent

#7843E5

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143F54

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

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