#143A5D#143A5D

#143A5D is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.075 H 249.5°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#143A5D
RGB	rgb(20, 58, 93)
HSL	hsl(209, 65%, 22%)
HSV	hsv(209, 78%, 36%)
CMYK	cmyk(78.5%, 37.6%, 0%, 63.5%)
CIE-LAB	lab(23.55, 0.12, -24.72)
CIE-LCH	lch(23.55, 24.72, 270.29°)
OKLab	oklab(34.04% -0.0263 -0.0703)
OKLCH	oklch(34.04% 0.075 249.5)
XYZ	xyz(3.7766, 3.9647, 10.9200)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A5D #5D3714

analogous

#145D5C #143A5D #14165D

triadic

#143A5D #5D143A #3A5D14

tetradic

#143A5D #5C145D #5D3714 #165D14

square

#143A5D #5C145D #5D3714 #165D14

split-complementary

#143A5D #5D1416 #5D5C14

monochromatic

#051019 #091B2B #143A5D #1F598F #2A79C2

Accessibility & contrast

On white

11.71

#143A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5D

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A5D	#FFFFFF	#000000	##FFFFFF
##143A5D	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3C5E

Deuteranopia (green-blind)

#1F355C

Tritanopia (blue-blind)

#004247

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143a5d;
/* rgb */ color: rgb(20, 58, 93);
/* oklch */ color: oklch(34.0% 0.075 249.5);

Tailwind

colors: {
  custom: {
    50: '#5d6f8b',
    500: '#143a5d',
    950: '#000000',
  },
}

SCSS

$custom: #143a5d;
$custom-light: #5d6f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#143a5d",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 93
  },
  "hsl": {
    "h": 208.767,
    "s": 64.602,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34044,
    "c": 0.07504,
    "h": 249.5
  },
  "luminance": 0.03965
}

Semantic roles & 50–950 ramp

primary

#143A5D

secondary

#956438

accent

#9040E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143A5D

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

Preview Lab → · Contrast checker → · Palette generator →