#143C4F#143C4F

#143C4F is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.055 H 232.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#143C4F
RGB	rgb(20, 60, 79)
HSL	hsl(199, 60%, 19%)
HSV	hsv(199, 75%, 31%)
CMYK	cmyk(74.7%, 24.1%, 0%, 69%)
CIE-LAB	lab(23.49, -6.84, -15.62)
CIE-LCH	lch(23.49, 17.06, 246.35°)
OKLab	oklab(33.74% -0.0337 -0.0438)
OKLCH	oklch(33.74% 0.055 232.4)
XYZ	xyz(3.3151, 3.9446, 7.9823)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C4F #4F2714

analogous

#144F45 #143C4F #141F4F

triadic

#143C4F #4F143C #3C4F14

tetradic

#143C4F #45144F #4F2714 #1F4F14

square

#143C4F #45144F #4F2714 #1F4F14

split-complementary

#143C4F #4F141F #4F4514

monochromatic

#061318 #08171E #143C4F #206180 #2D86B1

Accessibility & contrast

On white

11.74

#143C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C4F

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C4F	#FFFFFF	#000000	##FFFFFF
##143C4F	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B50

Deuteranopia (green-blind)

#2A354F

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143c4f;
/* rgb */ color: rgb(20, 60, 79);
/* oklch */ color: oklch(33.7% 0.055 232.4);

Tailwind

colors: {
  custom: {
    50: '#5a7180',
    500: '#143c4f',
    950: '#000000',
  },
}

SCSS

$custom: #143c4f;
$custom-light: #5a7180;
$custom-dark: #000000;

JSON

{
  "hex": "#143c4f",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 79
  },
  "hsl": {
    "h": 199.322,
    "s": 59.596,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33744,
    "c": 0.05531,
    "h": 232.4
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#143C4F

secondary

#875138

accent

#7845E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143C4F

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

Preview Lab → · Contrast checker → · Palette generator →