#17637A#17637A

#17637A is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.079 H 223.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#17637A
RGB	rgb(23, 99, 122)
HSL	hsl(194, 68%, 28%)
HSV	hsv(194, 81%, 48%)
CMYK	cmyk(81.1%, 18.9%, 0%, 52.2%)
CIE-LAB	lab(38.74, -13.89, -19.30)
CIE-LCH	lch(38.74, 23.78, 234.25°)
OKLab	oklab(46.62% -0.0575 -0.0541)
OKLCH	oklch(46.62% 0.079 223.3)
XYZ	xyz(8.3266, 10.5100, 19.9984)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17637A #7A2E17

analogous

#177A5F #17637A #17317A

triadic

#17637A #7A1763 #637A17

tetradic

#17637A #5F177A #7A2E17 #317A17

square

#17637A #5F177A #7A2E17 #317A17

split-complementary

#17637A #7A1731 #7A5F17

monochromatic

#05151A #0D3947 #17637A #218DAD #33B2D9

Accessibility & contrast

On white

6.77

#17637A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#17637A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637A

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17637A	#FFFFFF	#000000	##FFFFFF
##17637A	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56617B

Deuteranopia (green-blind)

#49577A

Tritanopia (blue-blind)

#006A6A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #17637a;
/* rgb */ color: rgb(23, 99, 122);
/* oklch */ color: oklch(46.6% 0.079 223.3);

Tailwind

colors: {
  custom: {
    50: '#668fa0',
    500: '#17637a',
    950: '#000000',
  },
}

SCSS

$custom: #17637a;
$custom-light: #668fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#17637a",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 122
  },
  "hsl": {
    "h": 193.939,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.46618,
    "c": 0.07895,
    "h": 223.3
  },
  "luminance": 0.10511
}

Semantic roles & 50–950 ramp

primary

#17637A

secondary

#AF583E

accent

#653DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #17637A

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

Preview Lab → · Contrast checker → · Palette generator →