#17758F#17758F

#17758F is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.090 H 222.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#17758F
RGB	rgb(23, 117, 143)
HSL	hsl(193, 72%, 33%)
HSV	hsv(193, 84%, 56%)
CMYK	cmyk(83.9%, 18.2%, 0%, 43.9%)
CIE-LAB	lab(45.48, -16.48, -21.55)
CIE-LCH	lch(45.48, 27.13, 232.60°)
OKLab	oklab(52.32% -0.0671 -0.0604)
OKLCH	oklch(52.32% 0.09 222)
XYZ	xyz(11.6705, 14.8864, 28.2396)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17758F #8F3117

analogous

#178F6D #17758F #17398F

triadic

#17758F #8F1775 #758F17

tetradic

#17758F #6D178F #8F3117 #398F17

square

#17758F #6D178F #8F3117 #398F17

split-complementary

#17758F #8F1739 #8F6D17

monochromatic

#061F26 #0F4A5A #17758F #1FA0C4 #40BEE0

Accessibility & contrast

On white

5.28

#17758F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#17758F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17758F

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17758F	#FFFFFF	#000000	##FFFFFF
##17758F	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667290

Deuteranopia (green-blind)

#56678F

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #17758f;
/* rgb */ color: rgb(23, 117, 143);
/* oklch */ color: oklch(52.3% 0.090 222.0);

Tailwind

colors: {
  custom: {
    50: '#6b9db0',
    500: '#17758f',
    950: '#000000',
  },
}

SCSS

$custom: #17758f;
$custom-light: #6b9db0;
$custom-dark: #000000;

JSON

{
  "hex": "#17758f",
  "rgb": {
    "r": 23,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 193,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.52321,
    "c": 0.09032,
    "h": 222
  },
  "luminance": 0.14888
}

Semantic roles & 50–950 ramp

primary

#17758F

secondary

#C15D41

accent

#6039EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #17758F

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

Preview Lab → · Contrast checker → · Palette generator →