#143983#143983

#143983 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.132 H 262.1°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#143983
RGB	rgb(20, 57, 131)
HSL	hsl(220, 74%, 30%)
HSV	hsv(220, 85%, 51%)
CMYK	cmyk(84.7%, 56.5%, 0%, 48.6%)
CIE-LAB	lab(25.90, 16.77, -45.24)
CIE-LCH	lch(25.90, 48.25, 290.34°)
OKLab	oklab(36.71% -0.018 -0.1306)
OKLCH	oklch(36.71% 0.132 262.1)
XYZ	xyz(5.8469, 4.7130, 22.0699)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143983 #835E14

analogous

#147183 #143983 #271483

triadic

#143983 #831439 #398314

tetradic

#143983 #831471 #835E14 #148327

square

#143983 #831471 #835E14 #148327

split-complementary

#143983 #832714 #718314

monochromatic

#040C1B #0C224E #143983 #1C50B8 #326CE0

Accessibility & contrast

On white

10.81

#143983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#143983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143983

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143983	#FFFFFF	#000000	##FFFFFF
##143983	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004386

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143983;
/* rgb */ color: rgb(20, 57, 131);
/* oklch */ color: oklch(36.7% 0.132 262.1);

Tailwind

colors: {
  custom: {
    50: '#676ea8',
    500: '#143983',
    950: '#000000',
  },
}

SCSS

$custom: #143983;
$custom-light: #676ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#143983",
  "rgb": {
    "r": 20,
    "g": 57,
    "b": 131
  },
  "hsl": {
    "h": 220,
    "s": 73.51,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36705,
    "c": 0.13183,
    "h": 262.1
  },
  "luminance": 0.04714
}

Semantic roles & 50–950 ramp

primary

#143983

secondary

#B88E3B

accent

#B338F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #143983

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

Preview Lab → · Contrast checker → · Palette generator →