#143A5A#143A5A

#143A5A is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.071 H 247.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#143A5A
RGB	rgb(20, 58, 90)
HSL	hsl(207, 64%, 22%)
HSV	hsv(207, 78%, 35%)
CMYK	cmyk(77.8%, 35.6%, 0%, 64.7%)
CIE-LAB	lab(23.38, -1.11, -23.04)
CIE-LCH	lch(23.38, 23.06, 267.24°)
OKLab	oklab(33.85% -0.0273 -0.0653)
OKLCH	oklch(33.85% 0.071 247.3)
XYZ	xyz(3.6463, 3.9126, 10.2339)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A5A #5A3414

analogous

#145A57 #143A5A #14175A

triadic

#143A5A #5A143A #3A5A14

tetradic

#143A5A #57145A #5A3414 #175A14

square

#143A5A #57145A #5A3414 #175A14

split-complementary

#143A5A #5A1417 #5A5714

monochromatic

#061019 #091A28 #143A5A #1F5A8C #2A7BBE

Accessibility & contrast

On white

11.78

#143A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5A

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A5A	#FFFFFF	#000000	##FFFFFF
##143A5A	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3B5B

Deuteranopia (green-blind)

#223559

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143a5a;
/* rgb */ color: rgb(20, 58, 90);
/* oklch */ color: oklch(33.9% 0.071 247.3);

Tailwind

colors: {
  custom: {
    50: '#5c6f89',
    500: '#143a5a',
    950: '#000000',
  },
}

SCSS

$custom: #143a5a;
$custom-light: #5c6f89;
$custom-dark: #000000;

JSON

{
  "hex": "#143a5a",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 90
  },
  "hsl": {
    "h": 207.429,
    "s": 63.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33851,
    "c": 0.07081,
    "h": 247.3
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#143A5A

secondary

#926138

accent

#8D41E7

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143A5A

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

Preview Lab → · Contrast checker → · Palette generator →