#143A57#143A57

#143A57 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.067 H 244.9°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#143A57
RGB	rgb(20, 58, 87)
HSL	hsl(206, 63%, 21%)
HSV	hsv(206, 77%, 34%)
CMYK	cmyk(77%, 33.3%, 0%, 65.9%)
CIE-LAB	lab(23.21, -2.34, -21.33)
CIE-LCH	lch(23.21, 21.46, 263.75°)
OKLab	oklab(33.66% -0.0283 -0.0604)
OKLCH	oklch(33.66% 0.067 244.9)
XYZ	xyz(3.5212, 3.8626, 9.5750)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A57 #573114

analogous

#145752 #143A57 #141857

triadic

#143A57 #57143A #3A5714

tetradic

#143A57 #521457 #573114 #185714

square

#143A57 #521457 #573114 #185714

split-complementary

#143A57 #571418 #575214

monochromatic

#061119 #091925 #143A57 #1F5B89 #2B7CBB

Accessibility & contrast

On white

11.85

#143A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#143A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A57

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A57	#FFFFFF	#000000	##FFFFFF
##143A57	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3B58

Deuteranopia (green-blind)

#243456

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143a57;
/* rgb */ color: rgb(20, 58, 87);
/* oklch */ color: oklch(33.7% 0.067 244.9);

Tailwind

colors: {
  custom: {
    50: '#5b6f86',
    500: '#143a57',
    950: '#000000',
  },
}

SCSS

$custom: #143a57;
$custom-light: #5b6f86;
$custom-dark: #000000;

JSON

{
  "hex": "#143a57",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 87
  },
  "hsl": {
    "h": 205.97,
    "s": 62.617,
    "l": 20.98
  },
  "oklch": {
    "l": 0.33662,
    "c": 0.06668,
    "h": 244.9
  },
  "luminance": 0.03863
}

Semantic roles & 50–950 ramp

primary

#143A57

secondary

#8F5E38

accent

#8942E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143A57

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

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