#143E51#143E51

#143E51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.056 H 231.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#143E51
RGB	rgb(20, 62, 81)
HSL	hsl(199, 60%, 20%)
HSV	hsv(199, 75%, 32%)
CMYK	cmyk(75.3%, 23.5%, 0%, 68.2%)
CIE-LAB	lab(24.28, -7.35, -15.71)
CIE-LCH	lch(24.28, 17.35, 244.92°)
OKLab	oklab(34.41% -0.0353 -0.0441)
OKLCH	oklch(34.41% 0.056 231.3)
XYZ	xyz(3.4957, 4.1877, 8.4071)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E51 #512714

analogous

#145146 #143E51 #141F51

triadic

#143E51 #51143E #3E5114

tetradic

#143E51 #461451 #512714 #1F5114

square

#143E51 #461451 #512714 #1F5114

split-complementary

#143E51 #51141F #514614

monochromatic

#061319 #081820 #143E51 #206482 #2C89B3

Accessibility & contrast

On white

11.43

#143E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#143E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E51

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E51	#FFFFFF	#000000	##FFFFFF
##143E51	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D52

Deuteranopia (green-blind)

#2C3751

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143e51;
/* rgb */ color: rgb(20, 62, 81);
/* oklch */ color: oklch(34.4% 0.056 231.3);

Tailwind

colors: {
  custom: {
    50: '#5b7382',
    500: '#143e51',
    950: '#000000',
  },
}

SCSS

$custom: #143e51;
$custom-light: #5b7382;
$custom-dark: #000000;

JSON

{
  "hex": "#143e51",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 81
  },
  "hsl": {
    "h": 198.689,
    "s": 60.396,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3441,
    "c": 0.05646,
    "h": 231.3
  },
  "luminance": 0.04188
}

Semantic roles & 50–950 ramp

primary

#143E51

secondary

#895138

accent

#7644E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143E51

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

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