#143777#143777

#143777 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.2% C 0.117 H 261.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#143777
RGB	rgb(20, 55, 119)
HSL	hsl(219, 71%, 27%)
HSV	hsv(219, 83%, 47%)
CMYK	cmyk(83.2%, 53.8%, 0%, 53.3%)
CIE-LAB	lab(24.36, 13.16, -40.18)
CIE-LCH	lch(24.36, 42.28, 288.14°)
OKLab	oklab(35.24% -0.0179 -0.1157)
OKLCH	oklch(35.24% 0.117 261.2)
XYZ	xyz(4.9832, 4.2124, 17.9996)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143777 #775414

analogous

#146977 #143777 #231477

triadic

#143777 #771437 #377714

tetradic

#143777 #771469 #775414 #147723

square

#143777 #771469 #775414 #147723

split-complementary

#143777 #772314 #697714

monochromatic

#040C1A #0B1F43 #143777 #1D4FAB #2A69DB

Accessibility & contrast

On white

11.40

#143777 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#143777 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143777

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143777	#FFFFFF	#000000	##FFFFFF
##143777	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3F79

Deuteranopia (green-blind)

#003676

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143777;
/* rgb */ color: rgb(20, 55, 119);
/* oklch */ color: oklch(35.2% 0.117 261.2);

Tailwind

colors: {
  custom: {
    50: '#636d9f',
    500: '#143777',
    950: '#000000',
  },
}

SCSS

$custom: #143777;
$custom-light: #636d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#143777",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 119
  },
  "hsl": {
    "h": 218.788,
    "s": 71.223,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35237,
    "c": 0.1171,
    "h": 261.2
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#143777

secondary

#AD843A

accent

#AE3AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143777

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

Preview Lab → · Contrast checker → · Palette generator →