#2299B4#2299B4
#2299B4 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.3% C 0.106 H 217.6°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).
Color values
| HEX | #2299B4 |
|---|---|
| RGB | rgb(34, 153, 180) |
| HSL | hsl(191, 68%, 42%) |
| HSV | hsv(191, 81%, 71%) |
| CMYK | cmyk(81.1%, 15%, 0%, 29.4%) |
| CIE-LAB | lab(58.43, -22.01, -23.04) |
| CIE-LCH | lch(58.43, 31.86, 226.31°) |
| OKLab | oklab(63.28% -0.0837 -0.0644) |
| OKLCH | oklch(63.28% 0.106 217.6) |
| XYZ | xyz(20.2856, 26.4153, 47.2007) |
| Luminance | 0.2642 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.20
Turquoise Blue
#06B1C4
ΔE00 8.10
Dirty Blue
#3F829D
ΔE00 8.52
Cadetblue
#5F9EA0
ΔE00 9.34
Greyblue
#77A1B5
ΔE00 9.41
Ocean
#017B92
ΔE00 10.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2299B4 #B43D22
analogous
#22B486 #2299B4 #2250B4
triadic
#2299B4 #B42299 #99B422
tetradic
#2299B4 #8622B4 #B43D22 #50B422
square
#2299B4 #8622B4 #B43D22 #50B422
split-complementary
#2299B4 #B42250 #B48622
monochromatic
#0F414D #186D81 #2299B4 #3ABCDA #6DCEE3
Accessibility & contrast
On white
3.34
#2299B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.28
#2299B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2299B4
6.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2299B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2299B4 | 1.00 | 3.34 | 6.28 | 6.28 |
| #FFFFFF | 3.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.28 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.28 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8794B5
Deuteranopia (green-blind)
#7487B4
Tritanopia (blue-blind)
#00A2A2
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #2299b4; /* rgb */ color: rgb(34, 153, 180); /* oklch */ color: oklch(63.3% 0.106 217.6);
Tailwind
colors: {
custom: {
50: '#77b7ca',
500: '#2299b4',
950: '#000000',
},
}SCSS
$custom: #2299b4; $custom-light: #77b7ca; $custom-dark: #000000;
JSON
{
"hex": "#2299b4",
"rgb": {
"r": 34,
"g": 153,
"b": 180
},
"hsl": {
"h": 191.096,
"s": 68.224,
"l": 41.961
},
"oklch": {
"l": 0.63278,
"c": 0.10562,
"h": 217.6
},
"luminance": 0.26418
}Semantic roles & 50–950 ramp
primary
#2299B4
secondary
#CA7A68
accent
#5D3DEB
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082