#143A53#143A53

#143A53 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.061 H 241.0°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#143A53
RGB	rgb(20, 58, 83)
HSL	hsl(204, 61%, 20%)
HSV	hsv(204, 76%, 33%)
CMYK	cmyk(75.9%, 30.1%, 0%, 67.5%)
CIE-LAB	lab(23.00, -3.95, -19.03)
CIE-LCH	lch(23.00, 19.44, 258.28°)
OKLab	oklab(33.42% -0.0298 -0.0537)
OKLCH	oklch(33.42% 0.061 241)
XYZ	xyz(3.3623, 3.7990, 8.7380)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A53 #532D14

analogous

#14534D #143A53 #141A53

triadic

#143A53 #53143A #3A5314

tetradic

#143A53 #4D1453 #532D14 #1A5314

square

#143A53 #4D1453 #532D14 #1A5314

split-complementary

#143A53 #53141A #534D14

monochromatic

#061119 #081822 #143A53 #205C84 #2C7FB6

Accessibility & contrast

On white

11.93

#143A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#143A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A53

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A53	#FFFFFF	#000000	##FFFFFF
##143A53	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A54

Deuteranopia (green-blind)

#263453

Tritanopia (blue-blind)

#004043

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143a53;
/* rgb */ color: rgb(20, 58, 83);
/* oklch */ color: oklch(33.4% 0.061 241.0);

Tailwind

colors: {
  custom: {
    50: '#5b7083',
    500: '#143a53',
    950: '#000000',
  },
}

SCSS

$custom: #143a53;
$custom-light: #5b7083;
$custom-dark: #000000;

JSON

{
  "hex": "#143a53",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 203.81,
    "s": 61.165,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3342,
    "c": 0.0614,
    "h": 241
  },
  "luminance": 0.03799
}

Semantic roles & 50–950 ramp

primary

#143A53

secondary

#8B5938

accent

#8344E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143A53

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

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