#143F7A#143F7A

#143F7A is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.4% C 0.111 H 257.5°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#143F7A
RGB	rgb(20, 63, 122)
HSL	hsl(215, 72%, 28%)
HSV	hsv(215, 84%, 48%)
CMYK	cmyk(83.6%, 48.4%, 0%, 52.2%)
CIE-LAB	lab(27.04, 8.78, -37.75)
CIE-LCH	lch(27.04, 38.76, 283.09°)
OKLab	oklab(37.36% -0.024 -0.1084)
OKLCH	oklch(37.36% 0.111 257.5)
XYZ	xyz(5.5776, 5.1082, 19.1006)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F7A #7A4F14

analogous

#14727A #143F7A #1C147A

triadic

#143F7A #7A143F #3F7A14

tetradic

#143F7A #7A1472 #7A4F14 #147A1C

square

#143F7A #7A1472 #7A4F14 #147A1C

split-complementary

#143F7A #7A1C14 #727A14

monochromatic

#040E1A #0B2445 #143F7A #1D5AAF #2C76DC

Accessibility & contrast

On white

10.39

#143F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#143F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F7A

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F7A	#FFFFFF	#000000	##FFFFFF
##143F7A	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F457C

Deuteranopia (green-blind)

#033C79

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143f7a;
/* rgb */ color: rgb(20, 63, 122);
/* oklch */ color: oklch(37.4% 0.111 257.5);

Tailwind

colors: {
  custom: {
    50: '#6473a1',
    500: '#143f7a',
    950: '#000000',
  },
}

SCSS

$custom: #143f7a;
$custom-light: #6473a1;
$custom-dark: #000000;

JSON

{
  "hex": "#143f7a",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 122
  },
  "hsl": {
    "h": 214.706,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37363,
    "c": 0.11104,
    "h": 257.5
  },
  "luminance": 0.05109
}

Semantic roles & 50–950 ramp

primary

#143F7A

secondary

#B07E3A

accent

#A239EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #143F7A

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

Preview Lab → · Contrast checker → · Palette generator →