#17839E#17839E

#17839E is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.6% C 0.098 H 220.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#17839E
RGB	rgb(23, 131, 158)
HSL	hsl(192, 75%, 35%)
HSV	hsv(192, 85%, 62%)
CMYK	cmyk(85.4%, 17.1%, 0%, 38%)
CIE-LAB	lab(50.55, -18.83, -22.54)
CIE-LCH	lch(50.55, 29.38, 230.13°)
OKLab	oklab(56.6% -0.0747 -0.0632)
OKLCH	oklch(56.6% 0.098 220.2)
XYZ	xyz(14.6386, 18.8815, 35.2141)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17839E #9E3217

analogous

#179E75 #17839E #173F9E

triadic

#17839E #9E1783 #839E17

tetradic

#17839E #75179E #9E3217 #3F9E17

square

#17839E #75179E #9E3217 #3F9E17

split-complementary

#17839E #9E173F #9E7517

monochromatic

#072A33 #0F5769 #17839E #1FAFD3 #4BC6E5

Accessibility & contrast

On white

4.40

#17839E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#17839E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17839E

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17839E	#FFFFFF	#000000	##000000
##17839E	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9F

Deuteranopia (green-blind)

#61739E

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #17839e;
/* rgb */ color: rgb(23, 131, 158);
/* oklch */ color: oklch(56.6% 0.098 220.2);

Tailwind

colors: {
  custom: {
    50: '#6fa7ba',
    500: '#17839e',
    950: '#000000',
  },
}

SCSS

$custom: #17839e;
$custom-light: #6fa7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#17839e",
  "rgb": {
    "r": 23,
    "g": 131,
    "b": 158
  },
  "hsl": {
    "h": 192,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56601,
    "c": 0.09787,
    "h": 220.2
  },
  "luminance": 0.18883
}

Semantic roles & 50–950 ramp

primary

#17839E

secondary

#C6634A

accent

#5C37F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #17839E

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

Preview Lab → · Contrast checker → · Palette generator →