#143F49#143F49

#143F49 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.050 H 215.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#143F49
RGB	rgb(20, 63, 73)
HSL	hsl(191, 57%, 18%)
HSV	hsv(191, 73%, 29%)
CMYK	cmyk(72.6%, 13.7%, 0%, 71.4%)
CIE-LAB	lab(24.27, -11.00, -10.45)
CIE-LCH	lch(24.27, 15.17, 223.53°)
OKLab	oklab(34.28% -0.0401 -0.0291)
OKLCH	oklch(34.28% 0.05 215.9)
XYZ	xyz(3.2681, 4.1844, 6.9375)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F49 #491E14

analogous

#144938 #143F49 #142449

triadic

#143F49 #49143F #3F4914

tetradic

#143F49 #381449 #491E14 #244914

square

#143F49 #381449 #491E14 #244914

split-complementary

#143F49 #491424 #493814

monochromatic

#071518 #071619 #143F49 #216879 #2E92A9

Accessibility & contrast

On white

11.43

#143F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#143F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F49

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F49	#FFFFFF	#000000	##FFFFFF
##143F49	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)

#383D4A

Deuteranopia (green-blind)

#313749

Tritanopia (blue-blind)

#004342

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143f49;
/* rgb */ color: rgb(20, 63, 73);
/* oklch */ color: oklch(34.3% 0.050 215.9);

Tailwind

colors: {
  custom: {
    50: '#59747b',
    500: '#143f49',
    950: '#000000',
  },
}

SCSS

$custom: #143f49;
$custom-light: #59747b;
$custom-dark: #000000;

JSON

{
  "hex": "#143f49",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 73
  },
  "hsl": {
    "h": 191.321,
    "s": 56.989,
    "l": 18.235
  },
  "oklch": {
    "l": 0.34282,
    "c": 0.04951,
    "h": 215.9
  },
  "luminance": 0.04185
}

Semantic roles & 50–950 ramp

primary

#143F49

secondary

#814538

accent

#6448E0

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #143F49

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

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