#143B52#143B52

#143B52 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.059 H 238.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#143B52
RGB	rgb(20, 59, 82)
HSL	hsl(202, 61%, 20%)
HSV	hsv(202, 76%, 32%)
CMYK	cmyk(75.6%, 28%, 0%, 67.8%)
CIE-LAB	lab(23.29, -5.01, -17.91)
CIE-LCH	lch(23.29, 18.60, 254.38°)
OKLab	oklab(33.64% -0.0313 -0.0504)
OKLCH	oklch(33.64% 0.059 238.2)
XYZ	xyz(3.3749, 3.8855, 8.5531)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B52 #522B14

analogous

#14524A #143B52 #141C52

triadic

#143B52 #52143B #3B5214

tetradic

#143B52 #4A1452 #522B14 #1C5214

square

#143B52 #4A1452 #522B14 #1C5214

split-complementary

#143B52 #52141C #524A14

monochromatic

#061219 #081821 #143B52 #205E83 #2C82B4

Accessibility & contrast

On white

11.82

#143B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B52

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B52	#FFFFFF	#000000	##FFFFFF
##143B52	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B53

Deuteranopia (green-blind)

#283552

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143b52;
/* rgb */ color: rgb(20, 59, 82);
/* oklch */ color: oklch(33.6% 0.059 238.2);

Tailwind

colors: {
  custom: {
    50: '#5b7082',
    500: '#143b52',
    950: '#000000',
  },
}

SCSS

$custom: #143b52;
$custom-light: #5b7082;
$custom-dark: #000000;

JSON

{
  "hex": "#143b52",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 202.258,
    "s": 60.784,
    "l": 20
  },
  "oklch": {
    "l": 0.33636,
    "c": 0.05939,
    "h": 238.2
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#143B52

secondary

#8A5638

accent

#7F44E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143B52

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

Preview Lab → · Contrast checker → · Palette generator →