#17637C#17637C

#17637C is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.7% C 0.081 H 225.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#17637C
RGB	rgb(23, 99, 124)
HSL	hsl(195, 69%, 29%)
HSV	hsv(195, 81%, 49%)
CMYK	cmyk(81.5%, 20.2%, 0%, 51.4%)
CIE-LAB	lab(38.83, -13.16, -20.39)
CIE-LCH	lch(38.83, 24.27, 237.16°)
OKLab	oklab(46.72% -0.0567 -0.0572)
OKLCH	oklch(46.72% 0.081 225.3)
XYZ	xyz(8.4518, 10.5600, 20.6577)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17637C #7C3017

analogous

#177C63 #17637C #17317C

triadic

#17637C #7C1763 #637C17

tetradic

#17637C #63177C #7C3017 #317C17

square

#17637C #63177C #7C3017 #317C17

split-complementary

#17637C #7C1731 #7C6317

monochromatic

#05151A #0D3A48 #17637C #218CB0 #34B0D9

Accessibility & contrast

On white

6.75

#17637C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#17637C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637C

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17637C	#FFFFFF	#000000	##FFFFFF
##17637C	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617D

Deuteranopia (green-blind)

#48577C

Tritanopia (blue-blind)

#006A6B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #17637c;
/* rgb */ color: rgb(23, 99, 124);
/* oklch */ color: oklch(46.7% 0.081 225.3);

Tailwind

colors: {
  custom: {
    50: '#668fa2',
    500: '#17637c',
    950: '#000000',
  },
}

SCSS

$custom: #17637c;
$custom-light: #668fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#17637c",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 124
  },
  "hsl": {
    "h": 194.851,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.46716,
    "c": 0.08053,
    "h": 225.3
  },
  "luminance": 0.10561
}

Semantic roles & 50–950 ramp

primary

#17637C

secondary

#B15A3E

accent

#683CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #17637C

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

Preview Lab → · Contrast checker → · Palette generator →