#17738C#17738C

#17738C is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.7% C 0.089 H 221.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#17738C
RGB	rgb(23, 115, 140)
HSL	hsl(193, 72%, 32%)
HSV	hsv(193, 84%, 55%)
CMYK	cmyk(83.6%, 17.9%, 0%, 45.1%)
CIE-LAB	lab(44.71, -16.44, -20.95)
CIE-LCH	lch(44.71, 26.63, 231.88°)
OKLab	oklab(51.66% -0.0664 -0.0587)
OKLCH	oklch(51.66% 0.089 221.5)
XYZ	xyz(11.2157, 14.3357, 26.9818)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17738C #8C3017

analogous

#178C6B #17738C #17388C

triadic

#17738C #8C1773 #738C17

tetradic

#17738C #6B178C #8C3017 #388C17

square

#17738C #6B178C #8C3017 #388C17

split-complementary

#17738C #8C1738 #8C6B17

monochromatic

#061D23 #0E4857 #17738C #209EC1 #3EBDDF

Accessibility & contrast

On white

5.43

#17738C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#17738C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17738C

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17738C	#FFFFFF	#000000	##FFFFFF
##17738C	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708D

Deuteranopia (green-blind)

#55658C

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #17738c;
/* rgb */ color: rgb(23, 115, 140);
/* oklch */ color: oklch(51.7% 0.089 221.5);

Tailwind

colors: {
  custom: {
    50: '#6b9bad',
    500: '#17738c',
    950: '#000000',
  },
}

SCSS

$custom: #17738c;
$custom-light: #6b9bad;
$custom-dark: #000000;

JSON

{
  "hex": "#17738c",
  "rgb": {
    "r": 23,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 192.821,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51662,
    "c": 0.08862,
    "h": 221.5
  },
  "luminance": 0.14337
}

Semantic roles & 50–950 ramp

primary

#17738C

secondary

#BF5B3F

accent

#6039EF

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #17738C

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

Preview Lab → · Contrast checker → · Palette generator →