#143A85#143A85

#143A85 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.1% C 0.133 H 262.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#143A85
RGB	rgb(20, 58, 133)
HSL	hsl(220, 74%, 30%)
HSV	hsv(220, 85%, 52%)
CMYK	cmyk(85%, 56.4%, 0%, 47.8%)
CIE-LAB	lab(26.35, 16.90, -45.75)
CIE-LCH	lch(26.35, 48.77, 290.27°)
OKLab	oklab(37.1% -0.0185 -0.1321)
OKLCH	oklch(37.1% 0.133 262)
XYZ	xyz(6.0337, 4.8676, 22.8073)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A85 #855F14

analogous

#147285 #143A85 #271485

triadic

#143A85 #85143A #3A8514

tetradic

#143A85 #851472 #855F14 #148527

square

#143A85 #851472 #855F14 #148527

split-complementary

#143A85 #852714 #728514

monochromatic

#040C1B #0C2350 #143A85 #1C51BA #336DE0

Accessibility & contrast

On white

10.64

#143A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#143A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A85

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A85	#FFFFFF	#000000	##FFFFFF
##143A85	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004488

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #143a85;
/* rgb */ color: rgb(20, 58, 133);
/* oklch */ color: oklch(37.1% 0.133 262.0);

Tailwind

colors: {
  custom: {
    50: '#676fa9',
    500: '#143a85',
    950: '#000000',
  },
}

SCSS

$custom: #143a85;
$custom-light: #676fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#143a85",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 133
  },
  "hsl": {
    "h": 219.823,
    "s": 73.856,
    "l": 30
  },
  "oklch": {
    "l": 0.37099,
    "c": 0.13336,
    "h": 262
  },
  "luminance": 0.04868
}

Semantic roles & 50–950 ramp

primary

#143A85

secondary

#BA8F3B

accent

#B237F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143A85

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

Preview Lab → · Contrast checker → · Palette generator →