#143E55#143E55

#143E55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.061 H 236.5°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#143E55
RGB	rgb(20, 62, 85)
HSL	hsl(201, 62%, 21%)
HSV	hsv(201, 76%, 33%)
CMYK	cmyk(76.5%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(24.48, -5.79, -18.03)
CIE-LCH	lch(24.48, 18.94, 252.21°)
OKLab	oklab(34.63% -0.0337 -0.0508)
OKLCH	oklch(34.63% 0.061 236.5)
XYZ	xyz(3.6502, 4.2494, 9.2204)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E55 #552B14

analogous

#14554B #143E55 #141D55

triadic

#143E55 #55143E #3E5514

tetradic

#143E55 #4B1455 #552B14 #1D5514

square

#143E55 #4B1455 #552B14 #1D5514

split-complementary

#143E55 #55141D #554B14

monochromatic

#061219 #081A23 #143E55 #206287 #2B86B8

Accessibility & contrast

On white

11.35

#143E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E55

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E55	#FFFFFF	#000000	##FFFFFF
##143E55	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E56

Deuteranopia (green-blind)

#2A3755

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143e55;
/* rgb */ color: rgb(20, 62, 85);
/* oklch */ color: oklch(34.6% 0.061 236.5);

Tailwind

colors: {
  custom: {
    50: '#5b7385',
    500: '#143e55',
    950: '#000000',
  },
}

SCSS

$custom: #143e55;
$custom-light: #5b7385;
$custom-dark: #000000;

JSON

{
  "hex": "#143e55",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 201.231,
    "s": 61.905,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34632,
    "c": 0.06091,
    "h": 236.5
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#143E55

secondary

#8D5638

accent

#7C43E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143E55

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

Preview Lab → · Contrast checker → · Palette generator →