#143B6C#143B6C

#143B6C is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.096 H 255.9°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#143B6C
RGB	rgb(20, 59, 108)
HSL	hsl(213, 69%, 25%)
HSV	hsv(213, 81%, 42%)
CMYK	cmyk(81.5%, 45.4%, 0%, 57.6%)
CIE-LAB	lab(24.82, 5.69, -32.41)
CIE-LCH	lch(24.82, 32.91, 279.96°)
OKLab	oklab(35.34% -0.0233 -0.0928)
OKLCH	oklch(35.34% 0.096 255.9)
XYZ	xyz(4.5582, 4.3588, 14.7856)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B6C #6C4514

analogous

#14676C #143B6C #19146C

triadic

#143B6C #6C143B #3B6C14

tetradic

#143B6C #6C1467 #6C4514 #146C19

square

#143B6C #6C1467 #6C4514 #146C19

split-complementary

#143B6C #6C1914 #676C14

monochromatic

#050E1A #0A1F38 #143B6C #1E57A0 #2773D3

Accessibility & contrast

On white

11.22

#143B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#143B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B6C

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B6C	#FFFFFF	#000000	##FFFFFF
##143B6C	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6E

Deuteranopia (green-blind)

#12376B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143b6c;
/* rgb */ color: rgb(20, 59, 108);
/* oklch */ color: oklch(35.3% 0.096 255.9);

Tailwind

colors: {
  custom: {
    50: '#607096',
    500: '#143b6c',
    950: '#000000',
  },
}

SCSS

$custom: #143b6c;
$custom-light: #607096;
$custom-dark: #000000;

JSON

{
  "hex": "#143b6c",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 108
  },
  "hsl": {
    "h": 213.409,
    "s": 68.75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35341,
    "c": 0.09569,
    "h": 255.9
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#143B6C

secondary

#A37439

accent

#9E3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #143B6C

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

Preview Lab → · Contrast checker → · Palette generator →