#143A79#143A79

#143A79 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.116 H 260.1°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#143A79
RGB	rgb(20, 58, 121)
HSL	hsl(217, 72%, 28%)
HSV	hsv(217, 83%, 47%)
CMYK	cmyk(83.5%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(25.43, 11.87, -39.72)
CIE-LCH	lch(25.43, 41.46, 286.64°)
OKLab	oklab(36.1% -0.02 -0.1143)
OKLCH	oklch(36.1% 0.116 260.1)
XYZ	xyz(5.2515, 4.5547, 18.6878)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A79 #795314

analogous

#146C79 #143A79 #211479

triadic

#143A79 #79143A #3A7914

tetradic

#143A79 #79146C #795314 #147921

square

#143A79 #79146C #795314 #147921

split-complementary

#143A79 #792114 #6C7914

monochromatic

#040D1A #0B2144 #143A79 #1D53AE #2B6EDC

Accessibility & contrast

On white

10.99

#143A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#143A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A79

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A79	#FFFFFF	#000000	##FFFFFF
##143A79	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13417B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143a79;
/* rgb */ color: rgb(20, 58, 121);
/* oklch */ color: oklch(36.1% 0.116 260.1);

Tailwind

colors: {
  custom: {
    50: '#646fa0',
    500: '#143a79',
    950: '#000000',
  },
}

SCSS

$custom: #143a79;
$custom-light: #646fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#143a79",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 217.426,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36099,
    "c": 0.11607,
    "h": 260.1
  },
  "luminance": 0.04555
}

Semantic roles & 50–950 ramp

primary

#143A79

secondary

#AF833A

accent

#AA39EE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #143A79

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

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