#17687B#17687B

#17687B is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.0% C 0.079 H 217.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#17687B
RGB	rgb(23, 104, 123)
HSL	hsl(191, 68%, 29%)
HSV	hsv(191, 81%, 48%)
CMYK	cmyk(81.3%, 15.4%, 0%, 51.8%)
CIE-LAB	lab(40.43, -16.37, -17.32)
CIE-LCH	lch(40.43, 23.83, 226.60°)
OKLab	oklab(47.99% -0.0623 -0.0484)
OKLCH	oklch(47.99% 0.079 217.9)
XYZ	xyz(8.8773, 11.5118, 20.4892)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17687B #7B2A17

analogous

#177B5C #17687B #17367B

triadic

#17687B #7B1768 #687B17

tetradic

#17687B #5C177B #7B2A17 #367B17

square

#17687B #5C177B #7B2A17 #367B17

split-complementary

#17687B #7B1736 #7B5C17

monochromatic

#05161A #0D3C47 #17687B #2194AF #33B9D9

Accessibility & contrast

On white

6.36

#17687B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#17687B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17687B

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17687B	#FFFFFF	#000000	##FFFFFF
##17687B	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657C

Deuteranopia (green-blind)

#4E5B7B

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #17687b;
/* rgb */ color: rgb(23, 104, 123);
/* oklch */ color: oklch(48.0% 0.079 217.9);

Tailwind

colors: {
  custom: {
    50: '#6793a1',
    500: '#17687b',
    950: '#000000',
  },
}

SCSS

$custom: #17687b;
$custom-light: #6793a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17687b",
  "rgb": {
    "r": 23,
    "g": 104,
    "b": 123
  },
  "hsl": {
    "h": 191.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47987,
    "c": 0.07889,
    "h": 217.9
  },
  "luminance": 0.11513
}

Semantic roles & 50–950 ramp

primary

#17687B

secondary

#B0543E

accent

#5E3CEB

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #17687B

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

Preview Lab → · Contrast checker → · Palette generator →