#143C6B#143C6B

#143C6B is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.093 H 254.7°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#143C6B
RGB	rgb(20, 60, 107)
HSL	hsl(212, 69%, 25%)
HSV	hsv(212, 81%, 42%)
CMYK	cmyk(81.3%, 43.9%, 0%, 58%)
CIE-LAB	lab(25.08, 4.58, -31.36)
CIE-LCH	lch(25.08, 31.69, 278.30°)
OKLab	oklab(35.52% -0.0245 -0.0897)
OKLCH	oklch(35.52% 0.093 254.7)
XYZ	xyz(4.5572, 4.4414, 14.5242)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C6B #6B4314

analogous

#14676B #143C6B #18146B

triadic

#143C6B #6B143C #3C6B14

tetradic

#143C6B #6B1467 #6B4314 #146B18

square

#143C6B #6B1467 #6B4314 #146B18

split-complementary

#143C6B #6B1814 #676B14

monochromatic

#050E1A #0A1F37 #143C6B #1E599F #2776D2

Accessibility & contrast

On white

11.12

#143C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#143C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C6B

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C6B	#FFFFFF	#000000	##FFFFFF
##143C6B	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25406D

Deuteranopia (green-blind)

#16386A

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143c6b;
/* rgb */ color: rgb(20, 60, 107);
/* oklch */ color: oklch(35.5% 0.093 254.7);

Tailwind

colors: {
  custom: {
    50: '#607196',
    500: '#143c6b',
    950: '#000000',
  },
}

SCSS

$custom: #143c6b;
$custom-light: #607196;
$custom-dark: #000000;

JSON

{
  "hex": "#143c6b",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 107
  },
  "hsl": {
    "h": 212.414,
    "s": 68.504,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35519,
    "c": 0.09298,
    "h": 254.7
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#143C6B

secondary

#A27239

accent

#9B3CEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #143C6B

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

Preview Lab → · Contrast checker → · Palette generator →