#143E4E#143E4E

#143E4E is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.053 H 226.9°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#143E4E
RGB	rgb(20, 62, 78)
HSL	hsl(197, 59%, 19%)
HSV	hsv(197, 74%, 31%)
CMYK	cmyk(74.4%, 20.5%, 0%, 69.4%)
CIE-LAB	lab(24.14, -8.51, -13.95)
CIE-LCH	lch(24.14, 16.34, 238.63°)
OKLab	oklab(34.25% -0.0366 -0.039)
OKLCH	oklch(34.25% 0.053 226.9)
XYZ	xyz(3.3857, 4.1437, 7.8276)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E4E #4E2414

analogous

#144E41 #143E4E #14214E

triadic

#143E4E #4E143E #3E4E14

tetradic

#143E4E #41144E #4E2414 #214E14

square

#143E4E #41144E #4E2414 #214E14

split-complementary

#143E4E #4E1421 #4E4114

monochromatic

#061318 #08171D #143E4E #20657F #2D8BAF

Accessibility & contrast

On white

11.48

#143E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E4E

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E4E	#FFFFFF	#000000	##FFFFFF
##143E4E	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D4F

Deuteranopia (green-blind)

#2D374E

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143e4e;
/* rgb */ color: rgb(20, 62, 78);
/* oklch */ color: oklch(34.3% 0.053 226.9);

Tailwind

colors: {
  custom: {
    50: '#5a737f',
    500: '#143e4e',
    950: '#000000',
  },
}

SCSS

$custom: #143e4e;
$custom-light: #5a737f;
$custom-dark: #000000;

JSON

{
  "hex": "#143e4e",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 196.552,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.3425,
    "c": 0.05349,
    "h": 226.9
  },
  "luminance": 0.04144
}

Semantic roles & 50–950 ramp

primary

#143E4E

secondary

#864D38

accent

#7145E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143E4E

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

Preview Lab → · Contrast checker → · Palette generator →