#1C708B#1C708B
#1C708B is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 50.9% C 0.087 H 224.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #1C708B |
|---|---|
| RGB | rgb(28, 112, 139) |
| HSL | hsl(195, 66%, 33%) |
| HSV | hsv(195, 80%, 55%) |
| CMYK | cmyk(79.9%, 19.4%, 0%, 45.5%) |
| CIE-LAB | lab(43.80, -14.59, -21.75) |
| CIE-LCH | lch(43.80, 26.19, 236.15°) |
| OKLab | oklab(50.94% -0.0619 -0.061) |
| OKLCH | oklch(50.94% 0.087 224.6) |
| XYZ | xyz(10.9313, 13.6980, 26.4889) |
| Luminance | 0.1370 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.20
Ocean
#017B92
ΔE00 4.82
Ocean Blue (survey)
#03719C
ΔE00 5.03
Cerulean
#007BA7
ΔE00 6.30
Ugly Blue
#31668A
ΔE00 7.00
Peacock Blue
#016795
ΔE00 7.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C708B #8B371C
analogous
#1C8B6F #1C708B #1C388B
triadic
#1C708B #8B1C70 #708B1C
tetradic
#1C708B #6F1C8B #8B371C #388B1C
square
#1C708B #6F1C8B #8B371C #388B1C
split-complementary
#1C708B #8B1C38 #8B6F1C
monochromatic
#071E25 #124758 #1C708B #2699BE #47B6DA
Accessibility & contrast
On white
5.62
#1C708B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#1C708B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C708B
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C708B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C708B | 1.00 | 5.62 | 3.74 | 5.62 |
| #FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#616D8C
Deuteranopia (green-blind)
#52638B
Tritanopia (blue-blind)
#007879
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #1c708b; /* rgb */ color: rgb(28, 112, 139); /* oklch */ color: oklch(50.9% 0.087 224.6);
Tailwind
colors: {
custom: {
50: '#6b99ad',
500: '#1c708b',
950: '#000000',
},
}SCSS
$custom: #1c708b; $custom-light: #6b99ad; $custom-dark: #000000;
JSON
{
"hex": "#1c708b",
"rgb": {
"r": 28,
"g": 112,
"b": 139
},
"hsl": {
"h": 194.595,
"s": 66.467,
"l": 32.745
},
"oklch": {
"l": 0.50942,
"c": 0.0869,
"h": 224.6
},
"luminance": 0.13699
}Semantic roles & 50–950 ramp
primary
#1C708B
secondary
#BC6347
accent
#683EE9
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D10
muted
#7A7E7F