#143E80#143E80

#143E80 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.6% C 0.121 H 259.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#143E80
RGB	rgb(20, 62, 128)
HSL	hsl(217, 73%, 29%)
HSV	hsv(217, 84%, 50%)
CMYK	cmyk(84.4%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.16, 11.99, -41.32)
CIE-LCH	lch(27.16, 43.03, 286.19°)
OKLab	oklab(37.59% -0.0221 -0.1189)
OKLCH	oklch(37.59% 0.121 259.5)
XYZ	xyz(5.9060, 5.1518, 21.1010)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E80 #805614

analogous

#147480 #143E80 #201480

triadic

#143E80 #80143E #3E8014

tetradic

#143E80 #801474 #805614 #148020

square

#143E80 #801474 #805614 #148020

split-complementary

#143E80 #802014 #748014

monochromatic

#040D1A #0C244B #143E80 #1C58B5 #3074DF

Accessibility & contrast

On white

10.34

#143E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#143E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E80

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E80	#FFFFFF	#000000	##FFFFFF
##143E80	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154582

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #143e80;
/* rgb */ color: rgb(20, 62, 128);
/* oklch */ color: oklch(37.6% 0.121 259.5);

Tailwind

colors: {
  custom: {
    50: '#6672a5',
    500: '#143e80',
    950: '#000000',
  },
}

SCSS

$custom: #143e80;
$custom-light: #6672a5;
$custom-dark: #000000;

JSON

{
  "hex": "#143e80",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 216.667,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37594,
    "c": 0.12098,
    "h": 259.5
  },
  "luminance": 0.05152
}

Semantic roles & 50–950 ramp

primary

#143E80

secondary

#B5863B

accent

#A838F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #143E80

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

Preview Lab → · Contrast checker → · Palette generator →