#17384F#17384F

#17384F is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.056 H 241.7°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#17384F
RGB	rgb(23, 56, 79)
HSL	hsl(205, 55%, 20%)
HSV	hsv(205, 71%, 31%)
CMYK	cmyk(70.9%, 29.1%, 0%, 69%)
CIE-LAB	lab(22.21, -3.62, -17.60)
CIE-LCH	lch(22.21, 17.97, 258.36°)
OKLab	oklab(32.76% -0.0266 -0.0495)
OKLCH	oklch(32.76% 0.056 241.7)
XYZ	xyz(3.1783, 3.5747, 7.9181)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17384F #4F2E17

analogous

#174F4A #17384F #171C4F

triadic

#17384F #4F1738 #384F17

tetradic

#17384F #4A174F #4F2E17 #1C4F17

square

#17384F #4A174F #4F2E17 #1C4F17

split-complementary

#17384F #4F171C #4F4A17

monochromatic

#071118 #091620 #17384F #255A7E #337BAE

Accessibility & contrast

On white

12.24

#17384F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#17384F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17384F

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17384F	#FFFFFF	#000000	##FFFFFF
##17384F	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3850

Deuteranopia (green-blind)

#26334F

Tritanopia (blue-blind)

#003E40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17384f;
/* rgb */ color: rgb(23, 56, 79);
/* oklch */ color: oklch(32.8% 0.056 241.7);

Tailwind

colors: {
  custom: {
    50: '#5b6e80',
    500: '#17384f',
    950: '#000000',
  },
}

SCSS

$custom: #17384f;
$custom-light: #5b6e80;
$custom-dark: #000000;

JSON

{
  "hex": "#17384f",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 79
  },
  "hsl": {
    "h": 204.643,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.32764,
    "c": 0.05623,
    "h": 241.7
  },
  "luminance": 0.03575
}

Semantic roles & 50–950 ramp

primary

#17384F

secondary

#865A3C

accent

#874ADE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17384F

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

Preview Lab → · Contrast checker → · Palette generator →