#143A5C#143A5C

#143A5C is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 34.0% C 0.074 H 248.8°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#143A5C
RGB	rgb(20, 58, 92)
HSL	hsl(208, 64%, 22%)
HSV	hsv(208, 78%, 36%)
CMYK	cmyk(78.3%, 37%, 0%, 63.9%)
CIE-LAB	lab(23.50, -0.29, -24.16)
CIE-LCH	lch(23.50, 24.17, 269.32°)
OKLab	oklab(33.98% -0.0266 -0.0686)
OKLCH	oklch(33.98% 0.074 248.8)
XYZ	xyz(3.7326, 3.9471, 10.6883)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A5C #5C3614

analogous

#145C5A #143A5C #14165C

triadic

#143A5C #5C143A #3A5C14

tetradic

#143A5C #5A145C #5C3614 #165C14

square

#143A5C #5A145C #5C3614 #165C14

split-complementary

#143A5C #5C1416 #5C5A14

monochromatic

#051019 #091A2A #143A5C #1F5A8E #2A79C1

Accessibility & contrast

On white

11.73

#143A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5C

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A5C	#FFFFFF	#000000	##FFFFFF
##143A5C	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3C5D

Deuteranopia (green-blind)

#20355B

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143a5c;
/* rgb */ color: rgb(20, 58, 92);
/* oklch */ color: oklch(34.0% 0.074 248.8);

Tailwind

colors: {
  custom: {
    50: '#5d6f8a',
    500: '#143a5c',
    950: '#000000',
  },
}

SCSS

$custom: #143a5c;
$custom-light: #5d6f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#143a5c",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 92
  },
  "hsl": {
    "h": 208.333,
    "s": 64.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33979,
    "c": 0.07362,
    "h": 248.8
  },
  "luminance": 0.03948
}

Semantic roles & 50–950 ramp

primary

#143A5C

secondary

#946338

accent

#8F41E7

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #143A5C

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

Preview Lab → · Contrast checker → · Palette generator →