#143B4A#143B4A

#143B4A is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.051 H 226.8°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#143B4A
RGB	rgb(20, 59, 74)
HSL	hsl(197, 57%, 18%)
HSV	hsv(197, 73%, 29%)
CMYK	cmyk(73%, 20.3%, 0%, 71%)
CIE-LAB	lab(22.90, -8.12, -13.22)
CIE-LCH	lch(22.90, 15.51, 238.43°)
OKLab	oklab(33.2% -0.0347 -0.0369)
OKLCH	oklch(33.2% 0.051 226.8)
XYZ	xyz(3.0880, 3.7707, 7.0423)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B4A #4A2314

analogous

#144A3E #143B4A #14204A

triadic

#143B4A #4A143B #3B4A14

tetradic

#143B4A #3E144A #4A2314 #204A14

square

#143B4A #3E144A #4A2314 #204A14

split-complementary

#143B4A #4A1420 #4A3E14

monochromatic

#071318 #07151A #143B4A #21617A #2E88AA

Accessibility & contrast

On white

11.97

#143B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#143B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B4A

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B4A	#FFFFFF	#000000	##FFFFFF
##143B4A	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333A4B

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143b4a;
/* rgb */ color: rgb(20, 59, 74);
/* oklch */ color: oklch(33.2% 0.051 226.8);

Tailwind

colors: {
  custom: {
    50: '#59717c',
    500: '#143b4a',
    950: '#000000',
  },
}

SCSS

$custom: #143b4a;
$custom-light: #59717c;
$custom-dark: #000000;

JSON

{
  "hex": "#143b4a",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 196.667,
    "s": 57.447,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33196,
    "c": 0.05066,
    "h": 226.8
  },
  "luminance": 0.03771
}

Semantic roles & 50–950 ramp

primary

#143B4A

secondary

#824C38

accent

#7247E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #143B4A

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

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