#143D6F#143D6F

#143D6F is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.1% C 0.098 H 255.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#143D6F
RGB	rgb(20, 61, 111)
HSL	hsl(213, 69%, 26%)
HSV	hsv(213, 82%, 44%)
CMYK	cmyk(82%, 45%, 0%, 56.5%)
CIE-LAB	lab(25.66, 5.56, -32.99)
CIE-LCH	lch(25.66, 33.45, 279.56°)
OKLab	oklab(36.06% -0.0245 -0.0945)
OKLCH	oklch(36.06% 0.098 255.5)
XYZ	xyz(4.8254, 4.6333, 15.6758)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D6F #6F4614

analogous

#146A6F #143D6F #18146F

triadic

#143D6F #6F143D #3D6F14

tetradic

#143D6F #6F146A #6F4614 #146F18

square

#143D6F #6F146A #6F4614 #146F18

split-complementary

#143D6F #6F1814 #6A6F14

monochromatic

#050E1A #0B213B #143D6F #1D59A3 #2776D7

Accessibility & contrast

On white

10.90

#143D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#143D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D6F

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D6F	#FFFFFF	#000000	##FFFFFF
##143D6F	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244171

Deuteranopia (green-blind)

#13396E

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143d6f;
/* rgb */ color: rgb(20, 61, 111);
/* oklch */ color: oklch(36.1% 0.098 255.5);

Tailwind

colors: {
  custom: {
    50: '#617299',
    500: '#143d6f',
    950: '#000000',
  },
}

SCSS

$custom: #143d6f;
$custom-light: #617299;
$custom-dark: #000000;

JSON

{
  "hex": "#143d6f",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 111
  },
  "hsl": {
    "h": 212.967,
    "s": 69.466,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36057,
    "c": 0.09759,
    "h": 255.5
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#143D6F

secondary

#A67539

accent

#9D3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143D6F

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

Preview Lab → · Contrast checker → · Palette generator →