#17637E#17637E

#17637E is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.082 H 227.2°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#17637E
RGB	rgb(23, 99, 126)
HSL	hsl(196, 69%, 29%)
HSV	hsv(196, 82%, 49%)
CMYK	cmyk(81.7%, 21.4%, 0%, 50.6%)
CIE-LAB	lab(38.92, -12.42, -21.47)
CIE-LCH	lch(38.92, 24.81, 239.95°)
OKLab	oklab(46.82% -0.0559 -0.0603)
OKLCH	oklch(46.82% 0.082 227.2)
XYZ	xyz(8.5795, 10.6111, 21.3306)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17637E #7E3217

analogous

#177E66 #17637E #17307E

triadic

#17637E #7E1763 #637E17

tetradic

#17637E #66177E #7E3217 #307E17

square

#17637E #66177E #7E3217 #307E17

split-complementary

#17637E #7E1730 #7E6617

monochromatic

#05141A #0E3A4A #17637E #208CB2 #35AFDA

Accessibility & contrast

On white

6.73

#17637E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#17637E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637E

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17637E	#FFFFFF	#000000	##FFFFFF
##17637E	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617F

Deuteranopia (green-blind)

#47577E

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #17637e;
/* rgb */ color: rgb(23, 99, 126);
/* oklch */ color: oklch(46.8% 0.082 227.2);

Tailwind

colors: {
  custom: {
    50: '#678fa3',
    500: '#17637e',
    950: '#000000',
  },
}

SCSS

$custom: #17637e;
$custom-light: #678fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#17637e",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 126
  },
  "hsl": {
    "h": 195.728,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.46816,
    "c": 0.08222,
    "h": 227.2
  },
  "luminance": 0.10612
}

Semantic roles & 50–950 ramp

primary

#17637E

secondary

#B35D3E

accent

#6A3CEC

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #17637E

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

Preview Lab → · Contrast checker → · Palette generator →