#143C6C#143C6C

#143C6C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.094 H 255.1°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#143C6C
RGB	rgb(20, 60, 108)
HSL	hsl(213, 69%, 25%)
HSV	hsv(213, 81%, 42%)
CMYK	cmyk(81.5%, 44.4%, 0%, 57.6%)
CIE-LAB	lab(25.15, 4.99, -31.90)
CIE-LCH	lch(25.15, 32.29, 278.90°)
OKLab	oklab(35.59% -0.0243 -0.0913)
OKLCH	oklch(35.59% 0.094 255.1)
XYZ	xyz(4.6101, 4.4626, 14.8028)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C6C #6C4414

analogous

#14686C #143C6C #18146C

triadic

#143C6C #6C143C #3C6C14

tetradic

#143C6C #6C1468 #6C4414 #146C18

square

#143C6C #6C1468 #6C4414 #146C18

split-complementary

#143C6C #6C1814 #686C14

monochromatic

#050E1A #0A1F38 #143C6C #1E59A0 #2775D3

Accessibility & contrast

On white

11.10

#143C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#143C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C6C

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C6C	#FFFFFF	#000000	##FFFFFF
##143C6C	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406E

Deuteranopia (green-blind)

#15386B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #143c6c;
/* rgb */ color: rgb(20, 60, 108);
/* oklch */ color: oklch(35.6% 0.094 255.1);

Tailwind

colors: {
  custom: {
    50: '#607196',
    500: '#143c6c',
    950: '#000000',
  },
}

SCSS

$custom: #143c6c;
$custom-light: #607196;
$custom-dark: #000000;

JSON

{
  "hex": "#143c6c",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 108
  },
  "hsl": {
    "h": 212.727,
    "s": 68.75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3559,
    "c": 0.09444,
    "h": 255.1
  },
  "luminance": 0.04463
}

Semantic roles & 50–950 ramp

primary

#143C6C

secondary

#A37339

accent

#9C3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #143C6C

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

Preview Lab → · Contrast checker → · Palette generator →