#143A84#143A84

#143A84 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.132 H 261.9°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#143A84
RGB	rgb(20, 58, 132)
HSL	hsl(220, 74%, 30%)
HSV	hsv(220, 85%, 52%)
CMYK	cmyk(84.8%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.27, 16.48, -45.26)
CIE-LCH	lch(26.27, 48.17, 290.01°)
OKLab	oklab(37.01% -0.0186 -0.1306)
OKLCH	oklch(37.01% 0.132 261.9)
XYZ	xyz(5.9649, 4.8400, 22.4452)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A84 #845E14

analogous

#147284 #143A84 #261484

triadic

#143A84 #84143A #3A8414

tetradic

#143A84 #841472 #845E14 #148426

square

#143A84 #841472 #845E14 #148426

split-complementary

#143A84 #842614 #728414

monochromatic

#040C1B #0C234F #143A84 #1C51B9 #326DE0

Accessibility & contrast

On white

10.67

#143A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#143A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A84

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A84	#FFFFFF	#000000	##FFFFFF
##143A84	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #143a84;
/* rgb */ color: rgb(20, 58, 132);
/* oklch */ color: oklch(37.0% 0.132 261.9);

Tailwind

colors: {
  custom: {
    50: '#676fa8',
    500: '#143a84',
    950: '#000000',
  },
}

SCSS

$custom: #143a84;
$custom-light: #676fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#143a84",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 219.643,
    "s": 73.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37014,
    "c": 0.13194,
    "h": 261.9
  },
  "luminance": 0.04841
}

Semantic roles & 50–950 ramp

primary

#143A84

secondary

#B98E3B

accent

#B237F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143A84

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

Preview Lab → · Contrast checker → · Palette generator →