#143577#143577

#143577 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.120 H 262.2°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#143577
RGB	rgb(20, 53, 119)
HSL	hsl(220, 71%, 27%)
HSV	hsv(220, 83%, 47%)
CMYK	cmyk(83.2%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(23.76, 14.59, -41.15)
CIE-LCH	lch(23.76, 43.66, 289.53°)
OKLab	oklab(34.78% -0.0163 -0.1186)
OKLCH	oklch(34.78% 0.12 262.2)
XYZ	xyz(4.8902, 4.0263, 17.9686)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143577 #775614

analogous

#146777 #143577 #251477

triadic

#143577 #771435 #357714

tetradic

#143577 #771467 #775614 #147725

square

#143577 #771467 #775614 #147725

split-complementary

#143577 #772514 #677714

monochromatic

#040C1A #0B1E43 #143577 #1D4CAB #2A65DB

Accessibility & contrast

On white

11.63

#143577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#143577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143577

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143577	#FFFFFF	#000000	##FFFFFF
##143577	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143577;
/* rgb */ color: rgb(20, 53, 119);
/* oklch */ color: oklch(34.8% 0.120 262.2);

Tailwind

colors: {
  custom: {
    50: '#646b9f',
    500: '#143577',
    950: '#000000',
  },
}

SCSS

$custom: #143577;
$custom-light: #646b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#143577",
  "rgb": {
    "r": 20,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 220,
    "s": 71.223,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34778,
    "c": 0.11976,
    "h": 262.2
  },
  "luminance": 0.04027
}

Semantic roles & 50–950 ramp

primary

#143577

secondary

#AD873A

accent

#B23AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #143577

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

Preview Lab → · Contrast checker → · Palette generator →