#143680#143680

#143680 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.131 H 262.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#143680
RGB	rgb(20, 54, 128)
HSL	hsl(221, 73%, 29%)
HSV	hsv(221, 84%, 50%)
CMYK	cmyk(84.4%, 57.8%, 0%, 49.8%)
CIE-LAB	lab(24.78, 17.65, -45.18)
CIE-LCH	lch(24.78, 48.50, 291.33°)
OKLab	oklab(35.78% -0.0162 -0.1305)
OKLCH	oklch(35.78% 0.131 262.9)
XYZ	xyz(5.5025, 4.3449, 20.9665)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143680 #805E14

analogous

#146C80 #143680 #281480

triadic

#143680 #801436 #368014

tetradic

#143680 #80146C #805E14 #148028

square

#143680 #80146C #805E14 #148028

split-complementary

#143680 #802814 #6C8014

monochromatic

#040B1A #0C204B #143680 #1C4CB5 #3067DF

Accessibility & contrast

On white

11.23

#143680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#143680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143680

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143680	#FFFFFF	#000000	##FFFFFF
##143680	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143680;
/* rgb */ color: rgb(20, 54, 128);
/* oklch */ color: oklch(35.8% 0.131 262.9);

Tailwind

colors: {
  custom: {
    50: '#666ca5',
    500: '#143680',
    950: '#000000',
  },
}

SCSS

$custom: #143680;
$custom-light: #666ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#143680",
  "rgb": {
    "r": 20,
    "g": 54,
    "b": 128
  },
  "hsl": {
    "h": 221.111,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35781,
    "c": 0.13147,
    "h": 262.9
  },
  "luminance": 0.04346
}

Semantic roles & 50–950 ramp

primary

#143680

secondary

#B58F3B

accent

#B638F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #143680

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

Preview Lab → · Contrast checker → · Palette generator →