#17819F#17819F

#17819F is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.1% C 0.099 H 223.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#17819F
RGB	rgb(23, 129, 159)
HSL	hsl(193, 75%, 36%)
HSV	hsv(193, 86%, 62%)
CMYK	cmyk(85.5%, 18.9%, 0%, 37.6%)
CIE-LAB	lab(49.96, -17.39, -24.04)
CIE-LCH	lch(49.96, 29.67, 234.11°)
OKLab	oklab(56.14% -0.0724 -0.0675)
OKLCH	oklch(56.14% 0.099 223)
XYZ	xyz(14.4590, 18.3840, 35.5806)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17819F #9F3517

analogous

#179F79 #17819F #173D9F

triadic

#17819F #9F1781 #819F17

tetradic

#17819F #79179F #9F3517 #3D9F17

square

#17819F #79179F #9F3517 #3D9F17

split-complementary

#17819F #9F173D #9F7917

monochromatic

#082A34 #0F566A #17819F #1FACD4 #4BC3E5

Accessibility & contrast

On white

4.49

#17819F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#17819F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17819F

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17819F	#FFFFFF	#000000	##000000
##17819F	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA1

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #17819f;
/* rgb */ color: rgb(23, 129, 159);
/* oklch */ color: oklch(56.1% 0.099 223.0);

Tailwind

colors: {
  custom: {
    50: '#6fa5bb',
    500: '#17819f',
    950: '#000000',
  },
}

SCSS

$custom: #17819f;
$custom-light: #6fa5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17819f",
  "rgb": {
    "r": 23,
    "g": 129,
    "b": 159
  },
  "hsl": {
    "h": 193.235,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.5614,
    "c": 0.09897,
    "h": 223
  },
  "luminance": 0.18386
}

Semantic roles & 50–950 ramp

primary

#17819F

secondary

#C7664B

accent

#6036F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #17819F

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

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