#143D53#143D53

#143D53 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.059 H 235.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#143D53
RGB	rgb(20, 61, 83)
HSL	hsl(201, 61%, 20%)
HSV	hsv(201, 76%, 33%)
CMYK	cmyk(75.9%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(24.03, -5.93, -17.42)
CIE-LCH	lch(24.03, 18.40, 251.21°)
OKLab	oklab(34.24% -0.0333 -0.049)
OKLCH	oklch(34.24% 0.059 235.8)
XYZ	xyz(3.5180, 4.1104, 8.7899)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D53 #532A14

analogous

#145349 #143D53 #141E53

triadic

#143D53 #53143D #3D5314

tetradic

#143D53 #491453 #532A14 #1E5314

square

#143D53 #491453 #532A14 #1E5314

split-complementary

#143D53 #53141E #534914

monochromatic

#061219 #081922 #143D53 #206184 #2C85B6

Accessibility & contrast

On white

11.52

#143D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D53

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D53	#FFFFFF	#000000	##FFFFFF
##143D53	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D54

Deuteranopia (green-blind)

#2A3653

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143d53;
/* rgb */ color: rgb(20, 61, 83);
/* oklch */ color: oklch(34.2% 0.059 235.8);

Tailwind

colors: {
  custom: {
    50: '#5b7283',
    500: '#143d53',
    950: '#000000',
  },
}

SCSS

$custom: #143d53;
$custom-light: #5b7283;
$custom-dark: #000000;

JSON

{
  "hex": "#143d53",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 200.952,
    "s": 61.165,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34244,
    "c": 0.05923,
    "h": 235.8
  },
  "luminance": 0.04111
}

Semantic roles & 50–950 ramp

primary

#143D53

secondary

#8B5538

accent

#7C44E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143D53

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

Preview Lab → · Contrast checker → · Palette generator →