#143D4F#143D4F

#143D4F is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.0% C 0.055 H 230.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#143D4F
RGB	rgb(20, 61, 79)
HSL	hsl(198, 60%, 19%)
HSV	hsv(198, 75%, 31%)
CMYK	cmyk(74.7%, 22.8%, 0%, 69%)
CIE-LAB	lab(23.84, -7.48, -15.08)
CIE-LCH	lch(23.84, 16.84, 243.61°)
OKLab	oklab(34.02% -0.0349 -0.0423)
OKLCH	oklch(34.02% 0.055 230.4)
XYZ	xyz(3.3680, 4.0504, 7.9999)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D4F #4F2614

analogous

#144F44 #143D4F #14204F

triadic

#143D4F #4F143D #3D4F14

tetradic

#143D4F #44144F #4F2614 #204F14

square

#143D4F #44144F #4F2614 #204F14

split-complementary

#143D4F #4F1420 #4F4414

monochromatic

#061318 #08171E #143D4F #206380 #2D88B1

Accessibility & contrast

On white

11.60

#143D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#143D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D4F

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D4F	#FFFFFF	#000000	##FFFFFF
##143D4F	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C50

Deuteranopia (green-blind)

#2C364F

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143d4f;
/* rgb */ color: rgb(20, 61, 79);
/* oklch */ color: oklch(34.0% 0.055 230.4);

Tailwind

colors: {
  custom: {
    50: '#5a7280',
    500: '#143d4f',
    950: '#000000',
  },
}

SCSS

$custom: #143d4f;
$custom-light: #5a7280;
$custom-dark: #000000;

JSON

{
  "hex": "#143d4f",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 79
  },
  "hsl": {
    "h": 198.305,
    "s": 59.596,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34023,
    "c": 0.05484,
    "h": 230.4
  },
  "luminance": 0.04051
}

Semantic roles & 50–950 ramp

primary

#143D4F

secondary

#875038

accent

#7545E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143D4F

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

Preview Lab → · Contrast checker → · Palette generator →