#143C4E#143C4E

#143C4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.054 H 231.0°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#143C4E
RGB	rgb(20, 60, 78)
HSL	hsl(199, 59%, 19%)
HSV	hsv(199, 74%, 31%)
CMYK	cmyk(74.4%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(23.44, -7.23, -15.04)
CIE-LCH	lch(23.44, 16.68, 244.33°)
OKLab	oklab(33.69% -0.0342 -0.0421)
OKLCH	oklch(33.69% 0.054 231)
XYZ	xyz(3.2790, 3.9301, 7.7920)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C4E #4E2614

analogous

#144E43 #143C4E #141F4E

triadic

#143C4E #4E143C #3C4E14

tetradic

#143C4E #43144E #4E2614 #1F4E14

square

#143C4E #43144E #4E2614 #1F4E14

split-complementary

#143C4E #4E141F #4E4314

monochromatic

#061318 #08171D #143C4E #20617F #2D87AF

Accessibility & contrast

On white

11.76

#143C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C4E

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C4E	#FFFFFF	#000000	##FFFFFF
##143C4E	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2B354E

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143c4e;
/* rgb */ color: rgb(20, 60, 78);
/* oklch */ color: oklch(33.7% 0.054 231.0);

Tailwind

colors: {
  custom: {
    50: '#5a717f',
    500: '#143c4e',
    950: '#000000',
  },
}

SCSS

$custom: #143c4e;
$custom-light: #5a717f;
$custom-dark: #000000;

JSON

{
  "hex": "#143c4e",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 198.621,
    "s": 59.184,
    "l": 19.216
  },
  "oklch": {
    "l": 0.3369,
    "c": 0.05425,
    "h": 231
  },
  "luminance": 0.0393
}

Semantic roles & 50–950 ramp

primary

#143C4E

secondary

#865038

accent

#7645E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #143C4E

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

Preview Lab → · Contrast checker → · Palette generator →