#143C6D#143C6D

#143C6D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.096 H 255.5°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#143C6D
RGB	rgb(20, 60, 109)
HSL	hsl(213, 69%, 25%)
HSV	hsv(213, 82%, 43%)
CMYK	cmyk(81.7%, 45%, 0%, 57.3%)
CIE-LAB	lab(25.21, 5.41, -32.43)
CIE-LCH	lch(25.21, 32.88, 279.48°)
OKLab	oklab(35.66% -0.024 -0.0928)
OKLCH	oklch(35.66% 0.096 255.5)
XYZ	xyz(4.6636, 4.4840, 15.0847)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C6D #6D4514

analogous

#14686D #143C6D #19146D

triadic

#143C6D #6D143C #3C6D14

tetradic

#143C6D #6D1468 #6D4514 #146D19

square

#143C6D #6D1468 #6D4514 #146D19

split-complementary

#143C6D #6D1914 #686D14

monochromatic

#050E1A #0B2039 #143C6D #1D58A1 #2775D4

Accessibility & contrast

On white

11.07

#143C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#143C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C6D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C6D	#FFFFFF	#000000	##FFFFFF
##143C6D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406F

Deuteranopia (green-blind)

#13386C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143c6d;
/* rgb */ color: rgb(20, 60, 109);
/* oklch */ color: oklch(35.7% 0.096 255.5);

Tailwind

colors: {
  custom: {
    50: '#617197',
    500: '#143c6d',
    950: '#000000',
  },
}

SCSS

$custom: #143c6d;
$custom-light: #617197;
$custom-dark: #000000;

JSON

{
  "hex": "#143c6d",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 109
  },
  "hsl": {
    "h": 213.034,
    "s": 68.992,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35663,
    "c": 0.09591,
    "h": 255.5
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#143C6D

secondary

#A47439

accent

#9D3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #143C6D

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

Preview Lab → · Contrast checker → · Palette generator →