#16405B#16405B

#16405B is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.066 H 240.5°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#16405B
RGB	rgb(22, 64, 91)
HSL	hsl(203, 61%, 22%)
HSV	hsv(203, 76%, 36%)
CMYK	cmyk(75.8%, 29.7%, 0%, 64.3%)
CIE-LAB	lab(25.54, -4.38, -20.29)
CIE-LCH	lch(25.54, 20.76, 257.81°)
OKLab	oklab(35.59% -0.0323 -0.0573)
OKLCH	oklch(35.59% 0.066 240.5)
XYZ	xyz(4.0519, 4.5922, 10.5684)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16405B #5B3116

analogous

#165B54 #16405B #161E5B

triadic

#16405B #5B1640 #405B16

tetradic

#16405B #54165B #5B3116 #1E5B16

square

#16405B #54165B #5B3116 #1E5B16

split-complementary

#16405B #5B161E #5B5416

monochromatic

#061119 #0A1D2A #16405B #22638C #2E85BE

Accessibility & contrast

On white

10.95

#16405B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#16405B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16405B

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16405B	#FFFFFF	#000000	##FFFFFF
##16405B	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405C

Deuteranopia (green-blind)

#2A3A5B

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #16405b;
/* rgb */ color: rgb(22, 64, 91);
/* oklch */ color: oklch(35.6% 0.066 240.5);

Tailwind

colors: {
  custom: {
    50: '#5d7489',
    500: '#16405b',
    950: '#000000',
  },
}

SCSS

$custom: #16405b;
$custom-light: #5d7489;
$custom-dark: #000000;

JSON

{
  "hex": "#16405b",
  "rgb": {
    "r": 22,
    "g": 64,
    "b": 91
  },
  "hsl": {
    "h": 203.478,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35594,
    "c": 0.06576,
    "h": 240.5
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#16405B

secondary

#925D3B

accent

#8244E4

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #16405B

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

Preview Lab → · Contrast checker → · Palette generator →