#143E4B#143E4B

#143E4B is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.051 H 221.9°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#143E4B
RGB	rgb(20, 62, 75)
HSL	hsl(194, 58%, 19%)
HSV	hsv(194, 73%, 29%)
CMYK	cmyk(73.3%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(24.00, -9.64, -12.18)
CIE-LCH	lch(24.00, 15.53, 231.64°)
OKLab	oklab(34.1% -0.0379 -0.034)
OKLCH	oklch(34.1% 0.051 221.9)
XYZ	xyz(3.2806, 4.1016, 7.2740)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E4B #4B2114

analogous

#144B3C #143E4B #14224B

triadic

#143E4B #4B143E #3E4B14

tetradic

#143E4B #3C144B #4B2114 #224B14

square

#143E4B #3C144B #4B2114 #224B14

split-complementary

#143E4B #4B1422 #4B3C14

monochromatic

#061418 #07161B #143E4B #21667B #2E8EAC

Accessibility & contrast

On white

11.54

#143E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E4B

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E4B	#FFFFFF	#000000	##FFFFFF
##143E4B	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2F374B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143e4b;
/* rgb */ color: rgb(20, 62, 75);
/* oklch */ color: oklch(34.1% 0.051 221.9);

Tailwind

colors: {
  custom: {
    50: '#59737d',
    500: '#143e4b',
    950: '#000000',
  },
}

SCSS

$custom: #143e4b;
$custom-light: #59737d;
$custom-dark: #000000;

JSON

{
  "hex": "#143e4b",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 194.182,
    "s": 57.895,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34096,
    "c": 0.05091,
    "h": 221.9
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#143E4B

secondary

#834938

accent

#6B47E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #143E4B

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

Preview Lab → · Contrast checker → · Palette generator →