#17637D#17637D

#17637D is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.081 H 226.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#17637D
RGB	rgb(23, 99, 125)
HSL	hsl(195, 69%, 29%)
HSV	hsv(195, 82%, 49%)
CMYK	cmyk(81.6%, 20.8%, 0%, 51%)
CIE-LAB	lab(38.87, -12.79, -20.93)
CIE-LCH	lch(38.87, 24.53, 238.57°)
OKLab	oklab(46.77% -0.0563 -0.0588)
OKLCH	oklch(46.77% 0.081 226.2)
XYZ	xyz(8.5153, 10.5855, 20.9925)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17637D #7D3117

analogous

#177D64 #17637D #17307D

triadic

#17637D #7D1763 #637D17

tetradic

#17637D #64177D #7D3117 #307D17

square

#17637D #64177D #7D3117 #307D17

split-complementary

#17637D #7D1730 #7D6417

monochromatic

#05141A #0D3A49 #17637D #218CB1 #35B0DA

Accessibility & contrast

On white

6.74

#17637D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#17637D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637D

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17637D	#FFFFFF	#000000	##FFFFFF
##17637D	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617E

Deuteranopia (green-blind)

#47577D

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #17637d;
/* rgb */ color: rgb(23, 99, 125);
/* oklch */ color: oklch(46.8% 0.081 226.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17637d",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 195.294,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.46766,
    "c": 0.08136,
    "h": 226.2
  },
  "luminance": 0.10587
}

Semantic roles & 50–950 ramp

primary

#17637D

secondary

#B25C3E

accent

#693CEC

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #17637D

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

Preview Lab → · Contrast checker → · Palette generator →