#143F4C#143F4C

#143F4C is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.052 H 221.4°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#143F4C
RGB	rgb(20, 63, 76)
HSL	hsl(194, 58%, 19%)
HSV	hsv(194, 74%, 30%)
CMYK	cmyk(73.7%, 17.1%, 0%, 70.2%)
CIE-LAB	lab(24.40, -9.89, -12.23)
CIE-LCH	lch(24.40, 15.73, 231.05°)
OKLab	oklab(34.43% -0.0387 -0.0341)
OKLCH	oklch(34.43% 0.052 221.4)
XYZ	xyz(3.3700, 4.2252, 7.4740)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F4C #4C2114

analogous

#144C3D #143F4C #14234C

triadic

#143F4C #4C143F #3F4C14

tetradic

#143F4C #3D144C #4C2114 #234C14

square

#143F4C #3D144C #4C2114 #234C14

split-complementary

#143F4C #4C1423 #4C3D14

monochromatic

#061418 #07171C #143F4C #21677C #2E8FAD

Accessibility & contrast

On white

11.38

#143F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F4C

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F4C	#FFFFFF	#000000	##FFFFFF
##143F4C	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4D

Deuteranopia (green-blind)

#2F374C

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143f4c;
/* rgb */ color: rgb(20, 63, 76);
/* oklch */ color: oklch(34.4% 0.052 221.4);

Tailwind

colors: {
  custom: {
    50: '#5a747e',
    500: '#143f4c',
    950: '#000000',
  },
}

SCSS

$custom: #143f4c;
$custom-light: #5a747e;
$custom-dark: #000000;

JSON

{
  "hex": "#143f4c",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 76
  },
  "hsl": {
    "h": 193.929,
    "s": 58.333,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34429,
    "c": 0.05159,
    "h": 221.4
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#143F4C

secondary

#844938

accent

#6A46E2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #143F4C

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

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