#143C5C#143C5C

#143C5C is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.072 H 246.2°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#143C5C
RGB	rgb(20, 60, 92)
HSL	hsl(207, 64%, 22%)
HSV	hsv(207, 78%, 36%)
CMYK	cmyk(78.3%, 34.8%, 0%, 63.9%)
CIE-LAB	lab(24.17, -1.65, -23.10)
CIE-LCH	lch(24.17, 23.16, 265.92°)
OKLab	oklab(34.51% -0.0288 -0.0655)
OKLCH	oklch(34.51% 0.072 246.2)
XYZ	xyz(3.8354, 4.1527, 10.7226)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C5C #5C3414

analogous

#145C58 #143C5C #14185C

triadic

#143C5C #5C143C #3C5C14

tetradic

#143C5C #58145C #5C3414 #185C14

square

#143C5C #58145C #5C3414 #185C14

split-complementary

#143C5C #5C1418 #5C5814

monochromatic

#051019 #091B2A #143C5C #1F5D8E #2A7EC1

Accessibility & contrast

On white

11.47

#143C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C5C

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C5C	#FFFFFF	#000000	##FFFFFF
##143C5C	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5D

Deuteranopia (green-blind)

#23365B

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143c5c;
/* rgb */ color: rgb(20, 60, 92);
/* oklch */ color: oklch(34.5% 0.072 246.2);

Tailwind

colors: {
  custom: {
    50: '#5d718a',
    500: '#143c5c',
    950: '#000000',
  },
}

SCSS

$custom: #143c5c;
$custom-light: #5d718a;
$custom-dark: #000000;

JSON

{
  "hex": "#143c5c",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 206.667,
    "s": 64.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.3451,
    "c": 0.07157,
    "h": 246.2
  },
  "luminance": 0.04153
}

Semantic roles & 50–950 ramp

primary

#143C5C

secondary

#946138

accent

#8B41E7

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #143C5C

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

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