#143A66#143A66

#143A66 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.7% C 0.088 H 254.3°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#143A66
RGB	rgb(20, 58, 102)
HSL	hsl(212, 67%, 24%)
HSV	hsv(212, 80%, 40%)
CMYK	cmyk(80.4%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.11, 3.87, -29.69)
CIE-LCH	lch(24.11, 29.94, 277.43°)
OKLab	oklab(34.66% -0.0238 -0.0848)
OKLCH	oklch(34.66% 0.088 254.3)
XYZ	xyz(4.1989, 4.1337, 13.1444)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A66 #664014

analogous

#146366 #143A66 #171466

triadic

#143A66 #66143A #3A6614

tetradic

#143A66 #661463 #664014 #146617

square

#143A66 #661463 #664014 #146617

split-complementary

#143A66 #661714 #636614

monochromatic

#050F1A #0A1D33 #143A66 #1E5799 #2874CC

Accessibility & contrast

On white

11.50

#143A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A66

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A66	#FFFFFF	#000000	##FFFFFF
##143A66	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253D68

Deuteranopia (green-blind)

#173665

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143a66;
/* rgb */ color: rgb(20, 58, 102);
/* oklch */ color: oklch(34.7% 0.088 254.3);

Tailwind

colors: {
  custom: {
    50: '#5f6f92',
    500: '#143a66',
    950: '#000000',
  },
}

SCSS

$custom: #143a66;
$custom-light: #5f6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#143a66",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 212.195,
    "s": 67.213,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34658,
    "c": 0.08811,
    "h": 254.3
  },
  "luminance": 0.04134
}

Semantic roles & 50–950 ramp

primary

#143A66

secondary

#9D6F39

accent

#9A3EEA

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #143A66

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

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