#143559#143559

#143559 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.5% C 0.075 H 252.8°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#143559
RGB	rgb(20, 53, 89)
HSL	hsl(211, 63%, 21%)
HSV	hsv(211, 78%, 35%)
CMYK	cmyk(77.5%, 40.4%, 0%, 65.1%)
CIE-LAB	lab(21.64, 1.93, -25.14)
CIE-LCH	lch(21.64, 25.21, 274.40°)
OKLab	oklab(32.46% -0.0221 -0.0716)
OKLCH	oklch(32.46% 0.075 252.8)
XYZ	xyz(3.3641, 3.4158, 9.9313)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143559 #593814

analogous

#145859 #143559 #151459

triadic

#143559 #591435 #355914

tetradic

#143559 #591458 #593814 #145915

square

#143559 #591458 #593814 #145915

split-complementary

#143559 #591514 #585914

monochromatic

#060F19 #091727 #143559 #1F538B #2A71BD

Accessibility & contrast

On white

12.48

#143559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#143559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143559

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143559	#FFFFFF	#000000	##FFFFFF
##143559	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25375A

Deuteranopia (green-blind)

#1A3158

Tritanopia (blue-blind)

#003D42

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #143559;
/* rgb */ color: rgb(20, 53, 89);
/* oklch */ color: oklch(32.5% 0.075 252.8);

Tailwind

colors: {
  custom: {
    50: '#5c6b88',
    500: '#143559',
    950: '#000000',
  },
}

SCSS

$custom: #143559;
$custom-light: #5c6b88;
$custom-dark: #000000;

JSON

{
  "hex": "#143559",
  "rgb": {
    "r": 20,
    "g": 53,
    "b": 89
  },
  "hsl": {
    "h": 211.304,
    "s": 63.303,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32464,
    "c": 0.0749,
    "h": 252.8
  },
  "luminance": 0.03416
}

Semantic roles & 50–950 ramp

primary

#143559

secondary

#916638

accent

#9741E6

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #143559

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

Preview Lab → · Contrast checker → · Palette generator →