#28718F#28718F
#28718F is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.7% C 0.085 H 229.2°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).
Color values
| HEX | #28718F |
|---|---|
| RGB | rgb(40, 113, 143) |
| HSL | hsl(197, 56%, 36%) |
| HSV | hsv(197, 72%, 56%) |
| CMYK | cmyk(72%, 21%, 0%, 43.9%) |
| CIE-LAB | lab(44.58, -12.14, -22.90) |
| CIE-LCH | lch(44.58, 25.92, 242.08°) |
| OKLab | oklab(51.71% -0.0555 -0.0642) |
| OKLCH | oklch(51.71% 0.085 229.2) |
| XYZ | xyz(11.7361, 14.2432, 28.1120) |
| Luminance | 0.1424 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.00
Ocean Blue (survey)
#03719C
ΔE00 3.51
Cerulean
#007BA7
ΔE00 4.98
Ugly Blue
#31668A
ΔE00 5.72
Ocean
#017B92
ΔE00 5.87
Peacock Blue
#016795
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28718F #8F4628
analogous
#288F79 #28718F #283D8F
triadic
#28718F #8F2871 #718F28
tetradic
#28718F #79288F #8F4628 #3D8F28
square
#28718F #79288F #8F4628 #3D8F28
split-complementary
#28718F #8F283D #8F7928
monochromatic
#0D252F #1B4B5F #28718F #3597BF #5FB1D2
Accessibility & contrast
On white
5.46
#28718F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.85
#28718F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #28718F
5.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28718F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28718F | 1.00 | 5.46 | 3.85 | 5.46 |
| #FFFFFF | 5.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#616F90
Deuteranopia (green-blind)
#53658F
Tritanopia (blue-blind)
#00797B
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #28718f; /* rgb */ color: rgb(40, 113, 143); /* oklch */ color: oklch(51.7% 0.085 229.2);
Tailwind
colors: {
custom: {
50: '#7099b0',
500: '#28718f',
950: '#000000',
},
}SCSS
$custom: #28718f; $custom-light: #7099b0; $custom-dark: #000000;
JSON
{
"hex": "#28718f",
"rgb": {
"r": 40,
"g": 113,
"b": 143
},
"hsl": {
"h": 197.476,
"s": 56.284,
"l": 35.882
},
"oklch": {
"l": 0.51709,
"c": 0.08488,
"h": 229.2
},
"luminance": 0.14245
}Semantic roles & 50–950 ramp
primary
#28718F
secondary
#B8765B
accent
#7448E0
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F