#143D51#143D51

#143D51 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.057 H 233.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#143D51
RGB	rgb(20, 61, 81)
HSL	hsl(200, 60%, 20%)
HSV	hsv(200, 75%, 32%)
CMYK	cmyk(75.3%, 24.7%, 0%, 68.2%)
CIE-LAB	lab(23.93, -6.71, -16.25)
CIE-LCH	lch(23.93, 17.58, 247.57°)
OKLab	oklab(34.13% -0.0341 -0.0456)
OKLCH	oklch(34.13% 0.057 233.2)
XYZ	xyz(3.4419, 4.0799, 8.3891)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D51 #512814

analogous

#145147 #143D51 #141F51

triadic

#143D51 #51143D #3D5114

tetradic

#143D51 #471451 #512814 #1F5114

square

#143D51 #471451 #512814 #1F5114

split-complementary

#143D51 #51141F #514714

monochromatic

#061219 #081820 #143D51 #206282 #2C87B3

Accessibility & contrast

On white

11.56

#143D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D51

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D51	#FFFFFF	#000000	##FFFFFF
##143D51	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C52

Deuteranopia (green-blind)

#2B3651

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143d51;
/* rgb */ color: rgb(20, 61, 81);
/* oklch */ color: oklch(34.1% 0.057 233.2);

Tailwind

colors: {
  custom: {
    50: '#5a7282',
    500: '#143d51',
    950: '#000000',
  },
}

SCSS

$custom: #143d51;
$custom-light: #5a7282;
$custom-dark: #000000;

JSON

{
  "hex": "#143d51",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 81
  },
  "hsl": {
    "h": 199.672,
    "s": 60.396,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34132,
    "c": 0.05696,
    "h": 233.2
  },
  "luminance": 0.0408
}

Semantic roles & 50–950 ramp

primary

#143D51

secondary

#895238

accent

#7844E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143D51

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

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