#163740#163740

#163740 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.6% C 0.042 H 218.2°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#163740
RGB	rgb(22, 55, 64)
HSL	hsl(193, 49%, 17%)
HSV	hsv(193, 66%, 25%)
CMYK	cmyk(65.6%, 14.1%, 0%, 74.9%)
CIE-LAB	lab(21.11, -8.86, -9.25)
CIE-LCH	lch(21.11, 12.80, 226.24°)
OKLab	oklab(31.64% -0.0326 -0.0257)
OKLCH	oklch(31.64% 0.042 218.2)
XYZ	xyz(2.6221, 3.2729, 5.3430)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163740 #401F16

analogous

#164034 #163740 #162240

triadic

#163740 #401637 #374016

tetradic

#163740 #341640 #401F16 #224016

square

#163740 #341640 #401F16 #224016

split-complementary

#163740 #401622 #403416

monochromatic

#081417 #081417 #163740 #265E6E #35859B

Accessibility & contrast

On white

12.69

#163740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#163740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163740

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163740	#FFFFFF	#000000	##FFFFFF
##163740	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313541

Deuteranopia (green-blind)

#2B3140

Tritanopia (blue-blind)

#003A3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #163740;
/* rgb */ color: rgb(22, 55, 64);
/* oklch */ color: oklch(31.6% 0.042 218.2);

Tailwind

colors: {
  custom: {
    50: '#586d74',
    500: '#163740',
    950: '#000000',
  },
}

SCSS

$custom: #163740;
$custom-light: #586d74;
$custom-dark: #000000;

JSON

{
  "hex": "#163740",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 192.857,
    "s": 48.837,
    "l": 16.863
  },
  "oklch": {
    "l": 0.31636,
    "c": 0.0415,
    "h": 218.2
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#163740

secondary

#77483B

accent

#6D4FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #163740

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

Preview Lab → · Contrast checker → · Palette generator →