#143C59#143C59

#143C59 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.068 H 243.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#143C59
RGB	rgb(20, 60, 89)
HSL	hsl(205, 63%, 21%)
HSV	hsv(205, 78%, 35%)
CMYK	cmyk(77.5%, 32.6%, 0%, 65.1%)
CIE-LAB	lab(24.00, -2.87, -21.40)
CIE-LCH	lch(24.00, 21.59, 262.36°)
OKLab	oklab(34.32% -0.0299 -0.0605)
OKLCH	oklch(34.32% 0.068 243.7)
XYZ	xyz(3.7068, 4.1013, 10.0455)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C59 #593114

analogous

#145954 #143C59 #141A59

triadic

#143C59 #59143C #3C5914

tetradic

#143C59 #541459 #593114 #1A5914

square

#143C59 #541459 #593114 #1A5914

split-complementary

#143C59 #59141A #595414

monochromatic

#061119 #091A27 #143C59 #1F5E8B #2A7FBD

Accessibility & contrast

On white

11.54

#143C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C59

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C59	#FFFFFF	#000000	##FFFFFF
##143C59	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D5A

Deuteranopia (green-blind)

#253658

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143c59;
/* rgb */ color: rgb(20, 60, 89);
/* oklch */ color: oklch(34.3% 0.068 243.7);

Tailwind

colors: {
  custom: {
    50: '#5c7188',
    500: '#143c59',
    950: '#000000',
  },
}

SCSS

$custom: #143c59;
$custom-light: #5c7188;
$custom-dark: #000000;

JSON

{
  "hex": "#143c59",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 89
  },
  "hsl": {
    "h": 205.217,
    "s": 63.303,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34324,
    "c": 0.06752,
    "h": 243.7
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#143C59

secondary

#915D38

accent

#8741E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143C59

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

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