#143D55#143D55

#143D55 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.062 H 238.2°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#143D55
RGB	rgb(20, 61, 85)
HSL	hsl(202, 62%, 21%)
HSV	hsv(202, 76%, 33%)
CMYK	cmyk(76.5%, 28.2%, 0%, 66.7%)
CIE-LAB	lab(24.13, -5.14, -18.57)
CIE-LCH	lch(24.13, 19.27, 254.54°)
OKLab	oklab(34.36% -0.0325 -0.0523)
OKLCH	oklch(34.36% 0.062 238.2)
XYZ	xyz(3.5963, 4.1417, 9.2025)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D55 #552C14

analogous

#14554C #143D55 #141C55

triadic

#143D55 #55143D #3D5514

tetradic

#143D55 #4C1455 #552C14 #1C5514

square

#143D55 #4C1455 #552C14 #1C5514

split-complementary

#143D55 #55141C #554C14

monochromatic

#061219 #081923 #143D55 #206187 #2B84B8

Accessibility & contrast

On white

11.49

#143D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D55

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D55	#FFFFFF	#000000	##FFFFFF
##143D55	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D56

Deuteranopia (green-blind)

#293755

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143d55;
/* rgb */ color: rgb(20, 61, 85);
/* oklch */ color: oklch(34.4% 0.062 238.2);

Tailwind

colors: {
  custom: {
    50: '#5b7285',
    500: '#143d55',
    950: '#000000',
  },
}

SCSS

$custom: #143d55;
$custom-light: #5b7285;
$custom-dark: #000000;

JSON

{
  "hex": "#143d55",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 85
  },
  "hsl": {
    "h": 202.154,
    "s": 61.905,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34358,
    "c": 0.0616,
    "h": 238.2
  },
  "luminance": 0.04142
}

Semantic roles & 50–950 ramp

primary

#143D55

secondary

#8D5738

accent

#7F43E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #143D55

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

Preview Lab → · Contrast checker → · Palette generator →