#16405A#16405A

#16405A is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.065 H 239.5°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#16405A
RGB	rgb(22, 64, 90)
HSL	hsl(203, 61%, 22%)
HSV	hsv(203, 76%, 35%)
CMYK	cmyk(75.6%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.49, -4.78, -19.72)
CIE-LCH	lch(25.49, 20.29, 256.38°)
OKLab	oklab(35.54% -0.0327 -0.0556)
OKLCH	oklch(35.54% 0.065 239.5)
XYZ	xyz(4.0090, 4.5751, 10.3427)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16405A #5A3016

analogous

#165A52 #16405A #161E5A

triadic

#16405A #5A1640 #405A16

tetradic

#16405A #52165A #5A3016 #1E5A16

square

#16405A #52165A #5A3016 #1E5A16

split-complementary

#16405A #5A161E #5A5216

monochromatic

#061119 #0A1D29 #16405A #22638B #2E86BC

Accessibility & contrast

On white

10.96

#16405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#16405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16405A

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16405A	#FFFFFF	#000000	##FFFFFF
##16405A	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#2B395A

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #16405a;
/* rgb */ color: rgb(22, 64, 90);
/* oklch */ color: oklch(35.5% 0.065 239.5);

Tailwind

colors: {
  custom: {
    50: '#5d7488',
    500: '#16405a',
    950: '#000000',
  },
}

SCSS

$custom: #16405a;
$custom-light: #5d7488;
$custom-dark: #000000;

JSON

{
  "hex": "#16405a",
  "rgb": {
    "r": 22,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 202.941,
    "s": 60.714,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35536,
    "c": 0.06452,
    "h": 239.5
  },
  "luminance": 0.04576
}

Semantic roles & 50–950 ramp

primary

#16405A

secondary

#915C3B

accent

#8144E4

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #16405A

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

Preview Lab → · Contrast checker → · Palette generator →