#143F78#143F78

#143F78 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.2% C 0.108 H 257.0°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#143F78
RGB	rgb(20, 63, 120)
HSL	hsl(214, 71%, 27%)
HSV	hsv(214, 83%, 47%)
CMYK	cmyk(83.3%, 47.5%, 0%, 52.9%)
CIE-LAB	lab(26.90, 7.94, -36.71)
CIE-LCH	lch(26.90, 37.56, 282.20°)
OKLab	oklab(37.21% -0.0244 -0.1054)
OKLCH	oklch(37.21% 0.108 257)
XYZ	xyz(5.4549, 5.0591, 18.4547)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F78 #784D14

analogous

#147178 #143F78 #1B1478

triadic

#143F78 #78143F #3F7814

tetradic

#143F78 #781471 #784D14 #14781B

square

#143F78 #781471 #784D14 #14781B

split-complementary

#143F78 #781B14 #717814

monochromatic

#040E1A #0B2344 #143F78 #1D5BAC #2B77DC

Accessibility & contrast

On white

10.44

#143F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#143F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F78

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F78	#FFFFFF	#000000	##FFFFFF
##143F78	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21447A

Deuteranopia (green-blind)

#083B77

Tritanopia (blue-blind)

#004D55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143f78;
/* rgb */ color: rgb(20, 63, 120);
/* oklch */ color: oklch(37.2% 0.108 257.0);

Tailwind

colors: {
  custom: {
    50: '#63739f',
    500: '#143f78',
    950: '#000000',
  },
}

SCSS

$custom: #143f78;
$custom-light: #63739f;
$custom-dark: #000000;

JSON

{
  "hex": "#143f78",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 120
  },
  "hsl": {
    "h": 214.2,
    "s": 71.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37212,
    "c": 0.10814,
    "h": 257
  },
  "luminance": 0.0506
}

Semantic roles & 50–950 ramp

primary

#143F78

secondary

#AE7C3A

accent

#A13AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F78

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

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