#17788F#17788F
#17788F is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.1% C 0.090 H 218.7°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #17788F |
|---|---|
| RGB | rgb(23, 120, 143) |
| HSL | hsl(192, 72%, 33%) |
| HSV | hsv(192, 84%, 56%) |
| CMYK | cmyk(83.9%, 16.1%, 0%, 43.9%) |
| CIE-LAB | lab(46.44, -18.13, -20.07) |
| CIE-LCH | lch(46.44, 27.04, 227.90°) |
| OKLab | oklab(53.1% -0.0701 -0.0562) |
| OKLCH | oklch(53.1% 0.09 218.7) |
| XYZ | xyz(12.0256, 15.5967, 28.3579) |
| Luminance | 0.1560 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.34
Sea Blue
#047495
ΔE00 3.89
Dirty Blue
#3F829D
ΔE00 5.83
Teal Blue
#01889F
ΔE00 5.95
Cerulean
#007BA7
ΔE00 7.03
Deep Aqua
#08787F
ΔE00 7.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17788F #8F2E17
analogous
#178F6A #17788F #173C8F
triadic
#17788F #8F1778 #788F17
tetradic
#17788F #6A178F #8F2E17 #3C8F17
square
#17788F #6A178F #8F2E17 #3C8F17
split-complementary
#17788F #8F173C #8F6A17
monochromatic
#062026 #0F4C5A #17788F #1FA4C4 #40C2E0
Accessibility & contrast
On white
5.10
#17788F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#17788F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #17788F
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17788F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17788F | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A7490
Deuteranopia (green-blind)
#5A698F
Tritanopia (blue-blind)
#00807F
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #17788f; /* rgb */ color: rgb(23, 120, 143); /* oklch */ color: oklch(53.1% 0.090 218.7);
Tailwind
colors: {
custom: {
50: '#6c9faf',
500: '#17788f',
950: '#000000',
},
}SCSS
$custom: #17788f; $custom-light: #6c9faf; $custom-dark: #000000;
JSON
{
"hex": "#17788f",
"rgb": {
"r": 23,
"g": 120,
"b": 143
},
"hsl": {
"h": 191.5,
"s": 72.289,
"l": 32.549
},
"oklch": {
"l": 0.53095,
"c": 0.08984,
"h": 218.7
},
"luminance": 0.15598
}Semantic roles & 50–950 ramp
primary
#17788F
secondary
#C15A41
accent
#5C39EF
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F