#143F4E#143F4E

#143F4E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.053 H 224.8°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#143F4E
RGB	rgb(20, 63, 78)
HSL	hsl(196, 59%, 19%)
HSV	hsv(196, 74%, 31%)
CMYK	cmyk(74.4%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(24.49, -9.13, -13.41)
CIE-LCH	lch(24.49, 16.23, 235.74°)
OKLab	oklab(34.53% -0.0378 -0.0375)
OKLCH	oklch(34.53% 0.053 224.8)
XYZ	xyz(3.4406, 4.2534, 7.8459)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F4E #4E2314

analogous

#144E40 #143F4E #14224E

triadic

#143F4E #4E143F #3F4E14

tetradic

#143F4E #40144E #4E2314 #224E14

square

#143F4E #40144E #4E2314 #224E14

split-complementary

#143F4E #4E1422 #4E4014

monochromatic

#061418 #08181D #143F4E #20667F #2D8EAF

Accessibility & contrast

On white

11.35

#143F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F4E

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F4E	#FFFFFF	#000000	##FFFFFF
##143F4E	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143f4e;
/* rgb */ color: rgb(20, 63, 78);
/* oklch */ color: oklch(34.5% 0.053 224.8);

Tailwind

colors: {
  custom: {
    50: '#5a747f',
    500: '#143f4e',
    950: '#000000',
  },
}

SCSS

$custom: #143f4e;
$custom-light: #5a747f;
$custom-dark: #000000;

JSON

{
  "hex": "#143f4e",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 195.517,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34531,
    "c": 0.05322,
    "h": 224.8
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#143F4E

secondary

#864C38

accent

#6E45E2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143F4E

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

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