#143C64#143C64

#143C64 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.083 H 251.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#143C64
RGB	rgb(20, 60, 100)
HSL	hsl(210, 67%, 24%)
HSV	hsv(210, 80%, 39%)
CMYK	cmyk(80%, 40%, 0%, 60.8%)
CIE-LAB	lab(24.64, 1.65, -27.55)
CIE-LCH	lch(24.64, 27.60, 273.43°)
OKLab	oklab(35.03% -0.0264 -0.0785)
OKLCH	oklch(35.03% 0.083 251.4)
XYZ	xyz(4.2037, 4.3001, 12.6626)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C64 #643C14

analogous

#146464 #143C64 #141464

triadic

#143C64 #64143C #3C6414

tetradic

#143C64 #641464 #643C14 #146414

square

#143C64 #641464 #643C14 #146414

split-complementary

#143C64 #641414 #646414

monochromatic

#050F1A #0A1D31 #143C64 #1E5B97 #2879CA

Accessibility & contrast

On white

11.29

#143C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C64

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C64	#FFFFFF	#000000	##FFFFFF
##143C64	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F66

Deuteranopia (green-blind)

#1D3763

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143c64;
/* rgb */ color: rgb(20, 60, 100);
/* oklch */ color: oklch(35.0% 0.083 251.4);

Tailwind

colors: {
  custom: {
    50: '#5e7190',
    500: '#143c64',
    950: '#000000',
  },
}

SCSS

$custom: #143c64;
$custom-light: #5e7190;
$custom-dark: #000000;

JSON

{
  "hex": "#143c64",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 100
  },
  "hsl": {
    "h": 210,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.08283,
    "h": 251.4
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary

#143C64

secondary

#9B6A38

accent

#943EEA

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143C64

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

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