#143F72#143F72

#143F72 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.099 H 255.0°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#143F72
RGB	rgb(20, 63, 114)
HSL	hsl(213, 70%, 26%)
HSV	hsv(213, 82%, 45%)
CMYK	cmyk(82.5%, 44.7%, 0%, 55.3%)
CIE-LAB	lab(26.50, 5.42, -33.56)
CIE-LCH	lch(26.50, 34.00, 279.18°)
OKLab	oklab(36.77% -0.0257 -0.0961)
OKLCH	oklch(36.77% 0.099 255)
XYZ	xyz(5.1021, 4.9180, 16.5967)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F72 #724714

analogous

#146E72 #143F72 #181472

triadic

#143F72 #72143F #3F7214

tetradic

#143F72 #72146E #724714 #147218

square

#143F72 #72146E #724714 #147218

split-complementary

#143F72 #721814 #6E7214

monochromatic

#050E1A #0B223E #143F72 #1D5CA6 #2779D9

Accessibility & contrast

On white

10.59

#143F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#143F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F72

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F72	#FFFFFF	#000000	##FFFFFF
##143F72	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254374

Deuteranopia (green-blind)

#143B71

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f72;
/* rgb */ color: rgb(20, 63, 114);
/* oklch */ color: oklch(36.8% 0.099 255.0);

Tailwind

colors: {
  custom: {
    50: '#62739b',
    500: '#143f72',
    950: '#000000',
  },
}

SCSS

$custom: #143f72;
$custom-light: #62739b;
$custom-dark: #000000;

JSON

{
  "hex": "#143f72",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 114
  },
  "hsl": {
    "h": 212.553,
    "s": 70.149,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.09946,
    "h": 255
  },
  "luminance": 0.04919
}

Semantic roles & 50–950 ramp

primary

#143F72

secondary

#A87639

accent

#9B3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F72

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

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