#143C4D#143C4D

#143C4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.053 H 229.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#143C4D
RGB	rgb(20, 60, 77)
HSL	hsl(198, 59%, 19%)
HSV	hsv(198, 74%, 30%)
CMYK	cmyk(74%, 22.1%, 0%, 69.8%)
CIE-LAB	lab(23.39, -7.61, -14.45)
CIE-LCH	lch(23.39, 16.33, 242.21°)
OKLab	oklab(33.64% -0.0346 -0.0405)
OKLCH	oklch(33.64% 0.053 229.5)
XYZ	xyz(3.2434, 3.9159, 7.6047)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C4D #4D2514

analogous

#144D42 #143C4D #14204D

triadic

#143C4D #4D143C #3C4D14

tetradic

#143C4D #42144D #4D2514 #204D14

square

#143C4D #42144D #4D2514 #204D14

split-complementary

#143C4D #4D1420 #4D4214

monochromatic

#061318 #07161C #143C4D #21627E #2D88AE

Accessibility & contrast

On white

11.78

#143C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C4D

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C4D	#FFFFFF	#000000	##FFFFFF
##143C4D	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4E

Deuteranopia (green-blind)

#2B354D

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143c4d;
/* rgb */ color: rgb(20, 60, 77);
/* oklch */ color: oklch(33.6% 0.053 229.5);

Tailwind

colors: {
  custom: {
    50: '#5a717e',
    500: '#143c4d',
    950: '#000000',
  },
}

SCSS

$custom: #143c4d;
$custom-light: #5a717e;
$custom-dark: #000000;

JSON

{
  "hex": "#143c4d",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 77
  },
  "hsl": {
    "h": 197.895,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33636,
    "c": 0.05322,
    "h": 229.5
  },
  "luminance": 0.03916
}

Semantic roles & 50–950 ramp

primary

#143C4D

secondary

#854F38

accent

#7446E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143C4D

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

Preview Lab → · Contrast checker → · Palette generator →