#16404B#16404B

#16404B is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.050 H 218.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#16404B
RGB	rgb(22, 64, 75)
HSL	hsl(192, 55%, 19%)
HSV	hsv(192, 71%, 29%)
CMYK	cmyk(70.7%, 14.7%, 0%, 70.6%)
CIE-LAB	lab(24.78, -10.49, -10.99)
CIE-LCH	lch(24.78, 15.19, 226.33°)
OKLab	oklab(34.74% -0.039 -0.0306)
OKLCH	oklch(34.74% 0.05 218.1)
XYZ	xyz(3.4338, 4.3450, 7.3130)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16404B #4B2116

analogous

#164B3C #16404B #16264B

triadic

#16404B #4B1640 #404B16

tetradic

#16404B #3C164B #4B2116 #264B16

square

#16404B #3C164B #4B2116 #264B16

split-complementary

#16404B #4B1626 #4B3C16

monochromatic

#071418 #08181C #16404B #24687A #3291AA

Accessibility & contrast

On white

11.24

#16404B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#16404B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16404B

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16404B	#FFFFFF	#000000	##FFFFFF
##16404B	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4C

Deuteranopia (green-blind)

#31384B

Tritanopia (blue-blind)

#004443

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16404b;
/* rgb */ color: rgb(22, 64, 75);
/* oklch */ color: oklch(34.7% 0.050 218.1);

Tailwind

colors: {
  custom: {
    50: '#5b757d',
    500: '#16404b',
    950: '#000000',
  },
}

SCSS

$custom: #16404b;
$custom-light: #5b757d;
$custom-dark: #000000;

JSON

{
  "hex": "#16404b",
  "rgb": {
    "r": 22,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 192.453,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34738,
    "c": 0.04959,
    "h": 218.1
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#16404B

secondary

#83493A

accent

#694ADE

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #16404B

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

Preview Lab → · Contrast checker → · Palette generator →