#143F5C#143F5C

#143F5C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.069 H 242.1°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#143F5C
RGB	rgb(20, 63, 92)
HSL	hsl(204, 64%, 22%)
HSV	hsv(204, 78%, 36%)
CMYK	cmyk(78.3%, 31.5%, 0%, 63.9%)
CIE-LAB	lab(25.19, -3.65, -21.50)
CIE-LCH	lch(25.19, 21.81, 260.36°)
OKLab	oklab(35.31% -0.0321 -0.0608)
OKLCH	oklch(35.31% 0.069 242.1)
XYZ	xyz(3.9970, 4.4760, 10.7764)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F5C #5C3114

analogous

#145C55 #143F5C #141B5C

triadic

#143F5C #5C143F #3F5C14

tetradic

#143F5C #55145C #5C3114 #1B5C14

square

#143F5C #55145C #5C3114 #1B5C14

split-complementary

#143F5C #5C141B #5C5514

monochromatic

#051119 #091D2A #143F5C #1F618E #2A84C1

Accessibility & contrast

On white

11.08

#143F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#143F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F5C

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F5C	#FFFFFF	#000000	##FFFFFF
##143F5C	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405D

Deuteranopia (green-blind)

#28395B

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143f5c;
/* rgb */ color: rgb(20, 63, 92);
/* oklch */ color: oklch(35.3% 0.069 242.1);

Tailwind

colors: {
  custom: {
    50: '#5d738a',
    500: '#143f5c',
    950: '#000000',
  },
}

SCSS

$custom: #143f5c;
$custom-light: #5d738a;
$custom-dark: #000000;

JSON

{
  "hex": "#143f5c",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 92
  },
  "hsl": {
    "h": 204.167,
    "s": 64.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35312,
    "c": 0.06878,
    "h": 242.1
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#143F5C

secondary

#945D38

accent

#8441E7

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #143F5C

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

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