#143A58#143A58

#143A58 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.068 H 245.7°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#143A58
RGB	rgb(20, 58, 88)
HSL	hsl(206, 63%, 21%)
HSV	hsv(206, 77%, 35%)
CMYK	cmyk(77.3%, 34.1%, 0%, 65.5%)
CIE-LAB	lab(23.27, -1.93, -21.90)
CIE-LCH	lch(23.27, 21.99, 264.97°)
OKLab	oklab(33.73% -0.028 -0.062)
OKLCH	oklch(33.73% 0.068 245.7)
XYZ	xyz(3.5623, 3.8790, 9.7916)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A58 #583214

analogous

#145854 #143A58 #141858

triadic

#143A58 #58143A #3A5814

tetradic

#143A58 #541458 #583214 #185814

square

#143A58 #541458 #583214 #185814

split-complementary

#143A58 #581418 #585414

monochromatic

#061019 #091926 #143A58 #1F5B8A #2B7CBC

Accessibility & contrast

On white

11.83

#143A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A58

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A58	#FFFFFF	#000000	##FFFFFF
##143A58	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B59

Deuteranopia (green-blind)

#233557

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143a58;
/* rgb */ color: rgb(20, 58, 88);
/* oklch */ color: oklch(33.7% 0.068 245.7);

Tailwind

colors: {
  custom: {
    50: '#5c6f87',
    500: '#143a58',
    950: '#000000',
  },
}

SCSS

$custom: #143a58;
$custom-light: #5c6f87;
$custom-dark: #000000;

JSON

{
  "hex": "#143a58",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 88
  },
  "hsl": {
    "h": 206.471,
    "s": 62.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.33725,
    "c": 0.06804,
    "h": 245.7
  },
  "luminance": 0.03879
}

Semantic roles & 50–950 ramp

primary

#143A58

secondary

#905F38

accent

#8A42E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143A58

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

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