#28ADD1#28ADD1
#28ADD1 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.5% C 0.119 H 221.4°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #28ADD1 |
|---|---|
| RGB | rgb(40, 173, 209) |
| HSL | hsl(193, 68%, 49%) |
| HSV | hsv(193, 81%, 82%) |
| CMYK | cmyk(80.9%, 17.2%, 0%, 18%) |
| CIE-LAB | lab(65.70, -22.17, -28.07) |
| CIE-LCH | lch(65.70, 35.77, 231.69°) |
| OKLab | oklab(69.52% -0.0893 -0.0786) |
| OKLCH | oklch(69.52% 0.119 221.4) |
| XYZ | xyz(27.3224, 34.9383, 65.6130) |
| Luminance | 0.3494 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.34
Deepskyblue
#00BFFF
ΔE00 8.30
Bright Sky Blue
#02CCFE
ΔE00 8.67
Greyblue
#77A1B5
ΔE00 8.96
Lightblue (survey)
#7BC8F6
ΔE00 10.83
Sky Blue
#87CEEB
ΔE00 11.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28ADD1 #D14C28
analogous
#28D1A1 #28ADD1 #2859D1
triadic
#28ADD1 #D128AD #ADD128
tetradic
#28ADD1 #A128D1 #D14C28 #59D128
square
#28ADD1 #A128D1 #D14C28 #59D128
split-complementary
#28ADD1 #D12859 #D1A128
monochromatic
#14586A #1E829E #28ADD1 #57C2DF #8BD5E9
Accessibility & contrast
On white
2.63
#28ADD1 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#28ADD1 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #28ADD1
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28ADD1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##28ADD1 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#98A9D3
Deuteranopia (green-blind)
#8299D1
Tritanopia (blue-blind)
#00B8B9
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #28add1; /* rgb */ color: rgb(40, 173, 209); /* oklch */ color: oklch(69.5% 0.119 221.4);
Tailwind
colors: {
custom: {
50: '#7fc5df',
500: '#28add1',
950: '#000000',
},
}SCSS
$custom: #28add1; $custom-light: #7fc5df; $custom-dark: #000000;
JSON
{
"hex": "#28add1",
"rgb": {
"r": 40,
"g": 173,
"b": 209
},
"hsl": {
"h": 192.781,
"s": 67.871,
"l": 48.824
},
"oklch": {
"l": 0.69523,
"c": 0.119,
"h": 221.4
},
"luminance": 0.34942
}Semantic roles & 50–950 ramp
primary
#28ADD1
secondary
#D39382
accent
#623DEB
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283