#143E4D#143E4D

#143E4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.053 H 225.3°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#143E4D
RGB	rgb(20, 62, 77)
HSL	hsl(196, 59%, 19%)
HSV	hsv(196, 74%, 30%)
CMYK	cmyk(74%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(24.09, -8.89, -13.36)
CIE-LCH	lch(24.09, 16.05, 236.38°)
OKLab	oklab(34.2% -0.037 -0.0373)
OKLCH	oklch(34.2% 0.053 225.3)
XYZ	xyz(3.3501, 4.1294, 7.6402)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E4D #4D2314

analogous

#144D40 #143E4D #14224D

triadic

#143E4D #4D143E #3E4D14

tetradic

#143E4D #40144D #4D2314 #224D14

square

#143E4D #40144D #4D2314 #224D14

split-complementary

#143E4D #4D1422 #4D4014

monochromatic

#061418 #07171C #143E4D #21657E #2D8CAE

Accessibility & contrast

On white

11.50

#143E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E4D

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E4D	#FFFFFF	#000000	##FFFFFF
##143E4D	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143e4d;
/* rgb */ color: rgb(20, 62, 77);
/* oklch */ color: oklch(34.2% 0.053 225.3);

Tailwind

colors: {
  custom: {
    50: '#5a737e',
    500: '#143e4d',
    950: '#000000',
  },
}

SCSS

$custom: #143e4d;
$custom-light: #5a737e;
$custom-dark: #000000;

JSON

{
  "hex": "#143e4d",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 195.789,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34198,
    "c": 0.05259,
    "h": 225.3
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#143E4D

secondary

#854C38

accent

#6F46E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143E4D

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

Preview Lab → · Contrast checker → · Palette generator →