#17748B#17748B
#17748B is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.9% C 0.088 H 219.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #17748B |
|---|---|
| RGB | rgb(23, 116, 139) |
| HSL | hsl(192, 72%, 32%) |
| HSV | hsv(192, 83%, 55%) |
| CMYK | cmyk(83.5%, 16.5%, 0%, 45.5%) |
| CIE-LAB | lab(44.99, -17.35, -19.92) |
| CIE-LCH | lch(44.99, 26.42, 228.95°) |
| OKLab | oklab(51.88% -0.0678 -0.0558) |
| OKLCH | oklch(51.88% 0.088 219.4) |
| XYZ | xyz(11.2570, 14.5356, 26.6334) |
| Luminance | 0.1454 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.68
Sea Blue
#047495
ΔE00 3.46
Dirty Blue
#3F829D
ΔE00 6.83
Ocean Blue (survey)
#03719C
ΔE00 7.04
Cerulean
#007BA7
ΔE00 7.27
Deep Aqua
#08787F
ΔE00 7.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17748B #8B2E17
analogous
#178B68 #17748B #173A8B
triadic
#17748B #8B1774 #748B17
tetradic
#17748B #68178B #8B2E17 #3A8B17
square
#17748B #68178B #8B2E17 #3A8B17
split-complementary
#17748B #8B173A #8B6817
monochromatic
#061C22 #0E4856 #17748B #20A0C0 #3DBFDF
Accessibility & contrast
On white
5.37
#17748B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#17748B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #17748B
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17748B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17748B | 1.00 | 5.37 | 3.91 | 5.37 |
| #FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#66718C
Deuteranopia (green-blind)
#57668B
Tritanopia (blue-blind)
#007C7B
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #17748b; /* rgb */ color: rgb(23, 116, 139); /* oklch */ color: oklch(51.9% 0.088 219.4);
Tailwind
colors: {
custom: {
50: '#6a9cad',
500: '#17748b',
950: '#000000',
},
}SCSS
$custom: #17748b; $custom-light: #6a9cad; $custom-dark: #000000;
JSON
{
"hex": "#17748b",
"rgb": {
"r": 23,
"g": 116,
"b": 139
},
"hsl": {
"h": 191.897,
"s": 71.605,
"l": 31.765
},
"oklch": {
"l": 0.51875,
"c": 0.08778,
"h": 219.4
},
"luminance": 0.14537
}Semantic roles & 50–950 ramp
primary
#17748B
secondary
#BF593F
accent
#5D39EE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F