#143F68#143F68

#143F68 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.085 H 250.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#143F68
RGB	rgb(20, 63, 104)
HSL	hsl(209, 68%, 24%)
HSV	hsv(209, 81%, 41%)
CMYK	cmyk(80.8%, 39.4%, 0%, 59.2%)
CIE-LAB	lab(25.87, 1.26, -28.18)
CIE-LCH	lch(25.87, 28.21, 272.55°)
OKLab	oklab(36.07% -0.0283 -0.0803)
OKLCH	oklch(36.07% 0.085 250.6)
XYZ	xyz(4.5637, 4.7027, 13.7612)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F68 #683D14

analogous

#146867 #143F68 #141568

triadic

#143F68 #68143F #3F6814

tetradic

#143F68 #671468 #683D14 #156814

square

#143F68 #671468 #683D14 #156814

split-complementary

#143F68 #681415 #686714

monochromatic

#05101A #0A2035 #143F68 #1E5E9B #287DCF

Accessibility & contrast

On white

10.82

#143F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#143F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F68

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F68	#FFFFFF	#000000	##FFFFFF
##143F68	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C416A

Deuteranopia (green-blind)

#1F3A67

Tritanopia (blue-blind)

#00494E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143f68;
/* rgb */ color: rgb(20, 63, 104);
/* oklch */ color: oklch(36.1% 0.085 250.6);

Tailwind

colors: {
  custom: {
    50: '#5f7393',
    500: '#143f68',
    950: '#000000',
  },
}

SCSS

$custom: #143f68;
$custom-light: #5f7393;
$custom-dark: #000000;

JSON

{
  "hex": "#143f68",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 209.286,
    "s": 67.742,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36074,
    "c": 0.08512,
    "h": 250.6
  },
  "luminance": 0.04703
}

Semantic roles & 50–950 ramp

primary

#143F68

secondary

#9F6B39

accent

#923DEB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #143F68

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

Preview Lab → · Contrast checker → · Palette generator →