#17809E#17809E

#17809E is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.8% C 0.098 H 223.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#17809E
RGB	rgb(23, 128, 158)
HSL	hsl(193, 75%, 35%)
HSV	hsv(193, 85%, 62%)
CMYK	cmyk(85.4%, 19%, 0%, 38%)
CIE-LAB	lab(49.60, -17.20, -24.00)
CIE-LCH	lch(49.60, 29.53, 234.38°)
OKLab	oklab(55.84% -0.0718 -0.0674)
OKLCH	oklch(55.84% 0.098 223.2)
XYZ	xyz(14.2415, 18.0873, 35.0817)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17809E #9E3517

analogous

#179E78 #17809E #173D9E

triadic

#17809E #9E1780 #809E17

tetradic

#17809E #78179E #9E3517 #3D9E17

square

#17809E #78179E #9E3517 #3D9E17

split-complementary

#17809E #9E173D #9E7817

monochromatic

#072933 #0F5569 #17809E #1FABD3 #4BC3E5

Accessibility & contrast

On white

4.55

#17809E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#17809E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17809E

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17809E	#FFFFFF	#000000	##000000
##17809E	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA0

Deuteranopia (green-blind)

#5E719E

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #17809e;
/* rgb */ color: rgb(23, 128, 158);
/* oklch */ color: oklch(55.8% 0.098 223.2);

Tailwind

colors: {
  custom: {
    50: '#6fa5ba',
    500: '#17809e',
    950: '#000000',
  },
}

SCSS

$custom: #17809e;
$custom-light: #6fa5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#17809e",
  "rgb": {
    "r": 23,
    "g": 128,
    "b": 158
  },
  "hsl": {
    "h": 193.333,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.5584,
    "c": 0.09849,
    "h": 223.2
  },
  "luminance": 0.18089
}

Semantic roles & 50–950 ramp

primary

#17809E

secondary

#C6664A

accent

#6037F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #17809E

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

Preview Lab → · Contrast checker → · Palette generator →