#143F74#143F74

#143F74 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.9% C 0.102 H 255.7°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#143F74
RGB	rgb(20, 63, 116)
HSL	hsl(213, 71%, 27%)
HSV	hsv(213, 83%, 45%)
CMYK	cmyk(82.8%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(26.63, 6.26, -34.62)
CIE-LCH	lch(26.63, 35.18, 280.25°)
OKLab	oklab(36.92% -0.0252 -0.0992)
OKLCH	oklch(36.92% 0.102 255.7)
XYZ	xyz(5.2172, 4.9641, 17.2028)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F74 #744914

analogous

#146F74 #143F74 #191474

triadic

#143F74 #74143F #3F7414

tetradic

#143F74 #74146F #744914 #147419

square

#143F74 #74146F #744914 #147419

split-complementary

#143F74 #741914 #6F7414

monochromatic

#050E1A #0B2340 #143F74 #1D5BA8 #2878DA

Accessibility & contrast

On white

10.54

#143F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#143F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F74

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F74	#FFFFFF	#000000	##FFFFFF
##143F74	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244476

Deuteranopia (green-blind)

#113B73

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f74;
/* rgb */ color: rgb(20, 63, 116);
/* oklch */ color: oklch(36.9% 0.102 255.7);

Tailwind

colors: {
  custom: {
    50: '#62739c',
    500: '#143f74',
    950: '#000000',
  },
}

SCSS

$custom: #143f74;
$custom-light: #62739c;
$custom-dark: #000000;

JSON

{
  "hex": "#143f74",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 213.125,
    "s": 70.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36915,
    "c": 0.10236,
    "h": 255.7
  },
  "luminance": 0.04965
}

Semantic roles & 50–950 ramp

primary

#143F74

secondary

#AA783A

accent

#9D3AED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F74

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

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