#17738F#17738F

#17738F is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.091 H 224.2°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#17738F
RGB	rgb(23, 115, 143)
HSL	hsl(194, 72%, 33%)
HSV	hsv(194, 84%, 56%)
CMYK	cmyk(83.9%, 19.6%, 0%, 43.9%)
CIE-LAB	lab(44.84, -15.36, -22.54)
CIE-LCH	lch(44.84, 27.27, 235.72°)
OKLab	oklab(51.81% -0.0652 -0.0633)
OKLCH	oklch(51.81% 0.091 224.2)
XYZ	xyz(11.4399, 14.4254, 28.1627)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17738F #8F3317

analogous

#178F6F #17738F #17378F

triadic

#17738F #8F1773 #738F17

tetradic

#17738F #6F178F #8F3317 #378F17

square

#17738F #6F178F #8F3317 #378F17

split-complementary

#17738F #8F1737 #8F6F17

monochromatic

#061E26 #0F495A #17738F #1F9DC4 #40BBE0

Accessibility & contrast

On white

5.40

#17738F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#17738F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17738F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17738F	#FFFFFF	#000000	##FFFFFF
##17738F	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637090

Deuteranopia (green-blind)

#54658F

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #17738f;
/* rgb */ color: rgb(23, 115, 143);
/* oklch */ color: oklch(51.8% 0.091 224.2);

Tailwind

colors: {
  custom: {
    50: '#6b9bb0',
    500: '#17738f',
    950: '#000000',
  },
}

SCSS

$custom: #17738f;
$custom-light: #6b9bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#17738f",
  "rgb": {
    "r": 23,
    "g": 115,
    "b": 143
  },
  "hsl": {
    "h": 194,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.51806,
    "c": 0.09082,
    "h": 224.2
  },
  "luminance": 0.14427
}

Semantic roles & 50–950 ramp

primary

#17738F

secondary

#C15F41

accent

#6339EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #17738F

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

Preview Lab → · Contrast checker → · Palette generator →