#17798F#17798F

#17798F is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 53.4% C 0.090 H 217.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#17798F
RGB	rgb(23, 121, 143)
HSL	hsl(191, 72%, 33%)
HSV	hsv(191, 84%, 56%)
CMYK	cmyk(83.9%, 15.4%, 0%, 43.9%)
CIE-LAB	lab(46.76, -18.68, -19.57)
CIE-LCH	lch(46.76, 27.05, 226.34°)
OKLab	oklab(53.35% -0.0711 -0.0547)
OKLCH	oklch(53.35% 0.09 217.6)
XYZ	xyz(12.1465, 15.8385, 28.3982)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17798F #8F2D17

analogous

#178F69 #17798F #173D8F

triadic

#17798F #8F1779 #798F17

tetradic

#17798F #69178F #8F2D17 #3D8F17

square

#17798F #69178F #8F2D17 #3D8F17

split-complementary

#17798F #8F173D #8F6917

monochromatic

#062026 #0F4C5A #17798F #1FA6C4 #40C3E0

Accessibility & contrast

On white

5.04

#17798F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#17798F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17798F

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17798F	#FFFFFF	#000000	##FFFFFF
##17798F	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7590

Deuteranopia (green-blind)

#5B6A8F

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #17798f;
/* rgb */ color: rgb(23, 121, 143);
/* oklch */ color: oklch(53.4% 0.090 217.6);

Tailwind

colors: {
  custom: {
    50: '#6ca0af',
    500: '#17798f',
    950: '#000000',
  },
}

SCSS

$custom: #17798f;
$custom-light: #6ca0af;
$custom-dark: #000000;

JSON

{
  "hex": "#17798f",
  "rgb": {
    "r": 23,
    "g": 121,
    "b": 143
  },
  "hsl": {
    "h": 191,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.53353,
    "c": 0.08975,
    "h": 217.6
  },
  "luminance": 0.1584
}

Semantic roles & 50–950 ramp

primary

#17798F

secondary

#C15841

accent

#5A39EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #17798F

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

Preview Lab → · Contrast checker → · Palette generator →