#143E4F#143E4F

#143E4F is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.054 H 228.4°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#143E4F
RGB	rgb(20, 62, 79)
HSL	hsl(197, 60%, 19%)
HSV	hsv(197, 75%, 31%)
CMYK	cmyk(74.7%, 21.5%, 0%, 69%)
CIE-LAB	lab(24.19, -8.12, -14.54)
CIE-LCH	lch(24.19, 16.66, 240.81°)
OKLab	oklab(34.3% -0.0361 -0.0407)
OKLCH	oklch(34.3% 0.054 228.4)
XYZ	xyz(3.4218, 4.1581, 8.0179)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E4F #4F2514

analogous

#144F43 #143E4F #14214F

triadic

#143E4F #4F143E #3E4F14

tetradic

#143E4F #43144F #4F2514 #214F14

square

#143E4F #43144F #4F2514 #214F14

split-complementary

#143E4F #4F1421 #4F4314

monochromatic

#061318 #08181E #143E4F #206480 #2D8BB1

Accessibility & contrast

On white

11.47

#143E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E4F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E4F	#FFFFFF	#000000	##FFFFFF
##143E4F	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D50

Deuteranopia (green-blind)

#2D374F

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143e4f;
/* rgb */ color: rgb(20, 62, 79);
/* oklch */ color: oklch(34.3% 0.054 228.4);

Tailwind

colors: {
  custom: {
    50: '#5a7380',
    500: '#143e4f',
    950: '#000000',
  },
}

SCSS

$custom: #143e4f;
$custom-light: #5a7380;
$custom-dark: #000000;

JSON

{
  "hex": "#143e4f",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 197.288,
    "s": 59.596,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34303,
    "c": 0.05444,
    "h": 228.4
  },
  "luminance": 0.04158
}

Semantic roles & 50–950 ramp

primary

#143E4F

secondary

#874F38

accent

#7245E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143E4F

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

Preview Lab → · Contrast checker → · Palette generator →