#17738B#17738B

#17738B is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.088 H 220.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#17738B
RGB	rgb(23, 115, 139)
HSL	hsl(192, 72%, 32%)
HSV	hsv(192, 83%, 55%)
CMYK	cmyk(83.5%, 17.3%, 0%, 45.5%)
CIE-LAB	lab(44.67, -16.80, -20.42)
CIE-LCH	lch(44.67, 26.44, 230.56°)
OKLab	oklab(51.62% -0.0668 -0.0572)
OKLCH	oklch(51.62% 0.088 220.6)
XYZ	xyz(11.1423, 14.3063, 26.5952)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17738B #8B2F17

analogous

#178B69 #17738B #17398B

triadic

#17738B #8B1773 #738B17

tetradic

#17738B #69178B #8B2F17 #398B17

square

#17738B #69178B #8B2F17 #398B17

split-complementary

#17738B #8B1739 #8B6917

monochromatic

#061C22 #0E4856 #17738B #209EC0 #3DBEDF

Accessibility & contrast

On white

5.44

#17738B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#17738B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17738B

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17738B	#FFFFFF	#000000	##FFFFFF
##17738B	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65708C

Deuteranopia (green-blind)

#55658B

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #17738b;
/* rgb */ color: rgb(23, 115, 139);
/* oklch */ color: oklch(51.6% 0.088 220.6);

Tailwind

colors: {
  custom: {
    50: '#6a9bad',
    500: '#17738b',
    950: '#000000',
  },
}

SCSS

$custom: #17738b;
$custom-light: #6a9bad;
$custom-dark: #000000;

JSON

{
  "hex": "#17738b",
  "rgb": {
    "r": 23,
    "g": 115,
    "b": 139
  },
  "hsl": {
    "h": 192.414,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.51615,
    "c": 0.08793,
    "h": 220.6
  },
  "luminance": 0.14308
}

Semantic roles & 50–950 ramp

primary

#17738B

secondary

#BF5A3F

accent

#5F39EE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #17738B

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

Preview Lab → · Contrast checker → · Palette generator →