#143C85#143C85

#143C85 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.5% C 0.131 H 261.2°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#143C85
RGB	rgb(20, 60, 133)
HSL	hsl(219, 74%, 30%)
HSV	hsv(219, 85%, 52%)
CMYK	cmyk(85%, 54.9%, 0%, 47.8%)
CIE-LAB	lab(26.94, 15.49, -44.80)
CIE-LCH	lch(26.94, 47.40, 289.07°)
OKLab	oklab(37.55% -0.02 -0.1292)
OKLCH	oklch(37.55% 0.131 261.2)
XYZ	xyz(6.1365, 5.0731, 22.8415)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C85 #855D14

analogous

#147585 #143C85 #241485

triadic

#143C85 #85143C #3C8514

tetradic

#143C85 #851475 #855D14 #148524

square

#143C85 #851475 #855D14 #148524

split-complementary

#143C85 #852414 #758514

monochromatic

#040C1B #0C2450 #143C85 #1C54BA #3370E0

Accessibility & contrast

On white

10.42

#143C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#143C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C85

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C85	#FFFFFF	#000000	##FFFFFF
##143C85	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024588

Deuteranopia (green-blind)

#003B84

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143c85;
/* rgb */ color: rgb(20, 60, 133);
/* oklch */ color: oklch(37.5% 0.131 261.2);

Tailwind

colors: {
  custom: {
    50: '#6771a9',
    500: '#143c85',
    950: '#000000',
  },
}

SCSS

$custom: #143c85;
$custom-light: #6771a9;
$custom-dark: #000000;

JSON

{
  "hex": "#143c85",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 133
  },
  "hsl": {
    "h": 218.761,
    "s": 73.856,
    "l": 30
  },
  "oklch": {
    "l": 0.37546,
    "c": 0.13075,
    "h": 261.2
  },
  "luminance": 0.05074
}

Semantic roles & 50–950 ramp

primary

#143C85

secondary

#BA8D3B

accent

#AF37F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143C85

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

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