#143F85#143F85

#143F85 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.2% C 0.127 H 259.9°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#143F85
RGB	rgb(20, 63, 133)
HSL	hsl(217, 74%, 30%)
HSV	hsv(217, 85%, 52%)
CMYK	cmyk(85%, 52.6%, 0%, 47.8%)
CIE-LAB	lab(27.84, 13.38, -43.35)
CIE-LCH	lch(27.84, 45.37, 287.16°)
OKLab	oklab(38.23% -0.0222 -0.1249)
OKLCH	oklch(38.23% 0.127 259.9)
XYZ	xyz(6.2981, 5.3964, 22.8954)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F85 #855A14

analogous

#147885 #143F85 #211485

triadic

#143F85 #85143F #3F8514

tetradic

#143F85 #851478 #855A14 #148521

square

#143F85 #851478 #855A14 #148521

split-complementary

#143F85 #852114 #788514

monochromatic

#040D1B #0C2650 #143F85 #1C58BA #3375E0

Accessibility & contrast

On white

10.10

#143F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#143F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F85

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F85	#FFFFFF	#000000	##FFFFFF
##143F85	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104788

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #143f85;
/* rgb */ color: rgb(20, 63, 133);
/* oklch */ color: oklch(38.2% 0.127 259.9);

Tailwind

colors: {
  custom: {
    50: '#6773a9',
    500: '#143f85',
    950: '#000000',
  },
}

SCSS

$custom: #143f85;
$custom-light: #6773a9;
$custom-dark: #000000;

JSON

{
  "hex": "#143f85",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 133
  },
  "hsl": {
    "h": 217.168,
    "s": 73.856,
    "l": 30
  },
  "oklch": {
    "l": 0.38227,
    "c": 0.12686,
    "h": 259.9
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#143F85

secondary

#BA8A3B

accent

#AA37F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #143F85

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

Preview Lab → · Contrast checker → · Palette generator →