#143F50#143F50

#143F50 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.055 H 227.9°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#143F50
RGB	rgb(20, 63, 80)
HSL	hsl(197, 60%, 20%)
HSV	hsv(197, 75%, 31%)
CMYK	cmyk(75%, 21.2%, 0%, 68.6%)
CIE-LAB	lab(24.58, -8.37, -14.59)
CIE-LCH	lch(24.58, 16.82, 240.14°)
OKLab	oklab(34.64% -0.0369 -0.0408)
OKLCH	oklch(34.64% 0.055 227.9)
XYZ	xyz(3.5134, 4.2825, 8.2293)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F50 #502514

analogous

#145043 #143F50 #142150

triadic

#143F50 #50143F #3F5014

tetradic

#143F50 #431450 #502514 #215014

square

#143F50 #431450 #502514 #215014

split-complementary

#143F50 #501421 #504314

monochromatic

#061318 #08181F #143F50 #206681 #2C8CB2

Accessibility & contrast

On white

11.31

#143F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F50

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F50	#FFFFFF	#000000	##FFFFFF
##143F50	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E51

Deuteranopia (green-blind)

#2E3850

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143f50;
/* rgb */ color: rgb(20, 63, 80);
/* oklch */ color: oklch(34.6% 0.055 227.9);

Tailwind

colors: {
  custom: {
    50: '#5a7481',
    500: '#143f50',
    950: '#000000',
  },
}

SCSS

$custom: #143f50;
$custom-light: #5a7481;
$custom-dark: #000000;

JSON

{
  "hex": "#143f50",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 197,
    "s": 60,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34635,
    "c": 0.05505,
    "h": 227.9
  },
  "luminance": 0.04283
}

Semantic roles & 50–950 ramp

primary

#143F50

secondary

#884E38

accent

#7245E3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143F50

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

Preview Lab → · Contrast checker → · Palette generator →