#143C58#143C58

#143C58 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.066 H 242.8°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#143C58
RGB	rgb(20, 60, 88)
HSL	hsl(205, 63%, 21%)
HSV	hsv(205, 77%, 35%)
CMYK	cmyk(77.3%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.95, -3.27, -20.83)
CIE-LCH	lch(23.95, 21.09, 261.07°)
OKLab	oklab(34.26% -0.0302 -0.0589)
OKLCH	oklch(34.26% 0.066 242.8)
XYZ	xyz(3.6651, 4.0846, 9.8259)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C58 #583014

analogous

#145852 #143C58 #141A58

triadic

#143C58 #58143C #3C5814

tetradic

#143C58 #521458 #583014 #1A5814

square

#143C58 #521458 #583014 #1A5814

split-complementary

#143C58 #58141A #585214

monochromatic

#061119 #091A26 #143C58 #1F5E8A #2B80BC

Accessibility & contrast

On white

11.56

#143C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C58

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C58	#FFFFFF	#000000	##FFFFFF
##143C58	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)

#2F3D59

Deuteranopia (green-blind)

#263657

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143c58;
/* rgb */ color: rgb(20, 60, 88);
/* oklch */ color: oklch(34.3% 0.066 242.8);

Tailwind

colors: {
  custom: {
    50: '#5c7187',
    500: '#143c58',
    950: '#000000',
  },
}

SCSS

$custom: #143c58;
$custom-light: #5c7187;
$custom-dark: #000000;

JSON

{
  "hex": "#143c58",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 204.706,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34263,
    "c": 0.0662,
    "h": 242.8
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary

#143C58

secondary

#905C38

accent

#8542E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143C58

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

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