#143A7A#143A7A

#143A7A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.118 H 260.3°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#143A7A
RGB	rgb(20, 58, 122)
HSL	hsl(218, 72%, 28%)
HSV	hsv(218, 84%, 48%)
CMYK	cmyk(83.6%, 52.5%, 0%, 52.2%)
CIE-LAB	lab(25.50, 12.30, -40.23)
CIE-LCH	lch(25.50, 42.07, 286.99°)
OKLab	oklab(36.18% -0.0199 -0.1158)
OKLCH	oklch(36.18% 0.118 260.3)
XYZ	xyz(5.3131, 4.5793, 19.0125)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A7A #7A5414

analogous

#146D7A #143A7A #21147A

triadic

#143A7A #7A143A #3A7A14

tetradic

#143A7A #7A146D #7A5414 #147A21

square

#143A7A #7A146D #7A5414 #147A21

split-complementary

#143A7A #7A2114 #6D7A14

monochromatic

#040C1A #0B2145 #143A7A #1D53AF #2C6EDC

Accessibility & contrast

On white

10.96

#143A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A7A

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A7A	#FFFFFF	#000000	##FFFFFF
##143A7A	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11417C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143a7a;
/* rgb */ color: rgb(20, 58, 122);
/* oklch */ color: oklch(36.2% 0.118 260.3);

Tailwind

colors: {
  custom: {
    50: '#646fa1',
    500: '#143a7a',
    950: '#000000',
  },
}

SCSS

$custom: #143a7a;
$custom-light: #646fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#143a7a",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 122
  },
  "hsl": {
    "h": 217.647,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3618,
    "c": 0.11752,
    "h": 260.3
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#143A7A

secondary

#B0843A

accent

#AB39EF

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #143A7A

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

Preview Lab → · Contrast checker → · Palette generator →