#143A4E#143A4E

#143A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.055 H 235.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#143A4E
RGB	rgb(20, 58, 78)
HSL	hsl(201, 59%, 19%)
HSV	hsv(201, 74%, 31%)
CMYK	cmyk(74.4%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.74, -5.93, -16.12)
CIE-LCH	lch(22.74, 17.18, 249.80°)
OKLab	oklab(33.13% -0.0317 -0.0453)
OKLCH	oklch(33.13% 0.055 235)
XYZ	xyz(3.1762, 3.7246, 7.7578)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A4E #4E2814

analogous

#144E45 #143A4E #141D4E

triadic

#143A4E #4E143A #3A4E14

tetradic

#143A4E #45144E #4E2814 #1D4E14

square

#143A4E #45144E #4E2814 #1D4E14

split-complementary

#143A4E #4E141D #4E4514

monochromatic

#061218 #08161D #143A4E #205E7F #2D82AF

Accessibility & contrast

On white

12.03

#143A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#143A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A4E

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A4E	#FFFFFF	#000000	##FFFFFF
##143A4E	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303A4F

Deuteranopia (green-blind)

#28344E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143a4e;
/* rgb */ color: rgb(20, 58, 78);
/* oklch */ color: oklch(33.1% 0.055 235.0);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#143a4e',
    950: '#000000',
  },
}

SCSS

$custom: #143a4e;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#143a4e",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 200.69,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33132,
    "c": 0.0553,
    "h": 235
  },
  "luminance": 0.03725
}

Semantic roles & 50–950 ramp

primary

#143A4E

secondary

#865338

accent

#7C45E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143A4E

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

Preview Lab → · Contrast checker → · Palette generator →