#143A52#143A52

#143A52 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.060 H 239.9°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#143A52
RGB	rgb(20, 58, 82)
HSL	hsl(203, 61%, 20%)
HSV	hsv(203, 76%, 32%)
CMYK	cmyk(75.6%, 29.3%, 0%, 67.8%)
CIE-LAB	lab(22.94, -4.35, -18.45)
CIE-LCH	lch(22.94, 18.96, 256.74°)
OKLab	oklab(33.36% -0.0301 -0.052)
OKLCH	oklch(33.36% 0.06 239.9)
XYZ	xyz(3.3239, 3.7837, 8.5361)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A52 #522C14

analogous

#14524B #143A52 #141B52

triadic

#143A52 #52143A #3A5214

tetradic

#143A52 #4B1452 #522C14 #1B5214

square

#143A52 #4B1452 #522C14 #1B5214

split-complementary

#143A52 #52141B #524B14

monochromatic

#061119 #081721 #143A52 #205D83 #2C80B4

Accessibility & contrast

On white

11.95

#143A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#143A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A52

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A52	#FFFFFF	#000000	##FFFFFF
##143A52	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A53

Deuteranopia (green-blind)

#263452

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143a52;
/* rgb */ color: rgb(20, 58, 82);
/* oklch */ color: oklch(33.4% 0.060 239.9);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#143a52',
    950: '#000000',
  },
}

SCSS

$custom: #143a52;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#143a52",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 82
  },
  "hsl": {
    "h": 203.226,
    "s": 60.784,
    "l": 20
  },
  "oklch": {
    "l": 0.33361,
    "c": 0.06013,
    "h": 239.9
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#143A52

secondary

#8A5838

accent

#8244E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143A52

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

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