#16578B#16578B

#16578B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.106 H 247.8°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#16578B
RGB	rgb(22, 87, 139)
HSL	hsl(207, 73%, 32%)
HSV	hsv(207, 84%, 55%)
CMYK	cmyk(84.2%, 37.4%, 0%, 45.5%)
CIE-LAB	lab(35.69, -0.13, -34.45)
CIE-LCH	lch(35.69, 34.45, 269.79°)
OKLab	oklab(44.47% -0.0401 -0.0982)
OKLCH	oklch(44.47% 0.106 247.8)
XYZ	xyz(8.3975, 8.8500, 25.6867)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16578B #8B4A16

analogous

#168B85 #16578B #161C8B

triadic

#16578B #8B1657 #578B16

tetradic

#16578B #85168B #8B4A16 #1C8B16

square

#16578B #85168B #8B4A16 #1C8B16

split-complementary

#16578B #8B161C #8B8516

monochromatic

#051521 #0E3656 #16578B #1E78C0 #3B97E0

Accessibility & contrast

On white

7.58

#16578B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#16578B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16578B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16578B	#FFFFFF	#000000	##FFFFFF
##16578B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5A8D

Deuteranopia (green-blind)

#2D4F8A

Tritanopia (blue-blind)

#00646A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #16578b;
/* rgb */ color: rgb(22, 87, 139);
/* oklch */ color: oklch(44.5% 0.106 247.8);

Tailwind

colors: {
  custom: {
    50: '#6886ad',
    500: '#16578b',
    950: '#000000',
  },
}

SCSS

$custom: #16578b;
$custom-light: #6886ad;
$custom-dark: #000000;

JSON

{
  "hex": "#16578b",
  "rgb": {
    "r": 22,
    "g": 87,
    "b": 139
  },
  "hsl": {
    "h": 206.667,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44467,
    "c": 0.10608,
    "h": 247.8
  },
  "luminance": 0.08851
}

Semantic roles & 50–950 ramp

primary

#16578B

secondary

#BF773E

accent

#8A38EF

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #16578B

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

Preview Lab → · Contrast checker → · Palette generator →