#16404C#16404C

#16404C is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.8% C 0.050 H 219.9°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#16404C
RGB	rgb(22, 64, 76)
HSL	hsl(193, 55%, 19%)
HSV	hsv(193, 71%, 30%)
CMYK	cmyk(71.1%, 15.8%, 0%, 70.2%)
CIE-LAB	lab(24.82, -10.12, -11.58)
CIE-LCH	lch(24.82, 15.38, 228.84°)
OKLab	oklab(34.79% -0.0386 -0.0322)
OKLCH	oklch(34.79% 0.05 219.9)
XYZ	xyz(3.4683, 4.3588, 7.4946)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16404C #4C2216

analogous

#164C3D #16404C #16254C

triadic

#16404C #4C1640 #404C16

tetradic

#16404C #3D164C #4C2216 #254C16

square

#16404C #3D164C #4C2216 #254C16

split-complementary

#16404C #4C1625 #4C3D16

monochromatic

#071418 #08181D #16404C #24687B #3190AB

Accessibility & contrast

On white

11.22

#16404C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#16404C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16404C

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16404C	#FFFFFF	#000000	##FFFFFF
##16404C	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)

#393E4D

Deuteranopia (green-blind)

#31384C

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16404c;
/* rgb */ color: rgb(22, 64, 76);
/* oklch */ color: oklch(34.8% 0.050 219.9);

Tailwind

colors: {
  custom: {
    50: '#5b747e',
    500: '#16404c',
    950: '#000000',
  },
}

SCSS

$custom: #16404c;
$custom-light: #5b747e;
$custom-dark: #000000;

JSON

{
  "hex": "#16404c",
  "rgb": {
    "r": 22,
    "g": 64,
    "b": 76
  },
  "hsl": {
    "h": 193.333,
    "s": 55.102,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34787,
    "c": 0.05029,
    "h": 219.9
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#16404C

secondary

#844B3A

accent

#6A49DE

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #16404C

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

Preview Lab → · Contrast checker → · Palette generator →