#143C6E#143C6E

#143C6E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.097 H 255.8°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#143C6E
RGB	rgb(20, 60, 110)
HSL	hsl(213, 69%, 25%)
HSV	hsv(213, 82%, 43%)
CMYK	cmyk(81.8%, 45.5%, 0%, 56.9%)
CIE-LAB	lab(25.28, 5.83, -32.97)
CIE-LCH	lch(25.28, 33.48, 280.04°)
OKLab	oklab(35.74% -0.0238 -0.0944)
OKLCH	oklch(35.74% 0.097 255.8)
XYZ	xyz(4.7178, 4.5057, 15.3699)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C6E #6E4614

analogous

#14696E #143C6E #19146E

triadic

#143C6E #6E143C #3C6E14

tetradic

#143C6E #6E1469 #6E4614 #146E19

square

#143C6E #6E1469 #6E4614 #146E19

split-complementary

#143C6E #6E1914 #696E14

monochromatic

#050E1A #0B203A #143C6E #1D58A2 #2774D6

Accessibility & contrast

On white

11.05

#143C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#143C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C6E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C6E	#FFFFFF	#000000	##FFFFFF
##143C6E	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234070

Deuteranopia (green-blind)

#12386D

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143c6e;
/* rgb */ color: rgb(20, 60, 110);
/* oklch */ color: oklch(35.7% 0.097 255.8);

Tailwind

colors: {
  custom: {
    50: '#617198',
    500: '#143c6e',
    950: '#000000',
  },
}

SCSS

$custom: #143c6e;
$custom-light: #617198;
$custom-dark: #000000;

JSON

{
  "hex": "#143c6e",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 213.333,
    "s": 69.231,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35736,
    "c": 0.09738,
    "h": 255.8
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#143C6E

secondary

#A57539

accent

#9E3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #143C6E

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

Preview Lab → · Contrast checker → · Palette generator →