#218BAE#218BAE
#218BAE is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.105 H 225.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #218BAE |
|---|---|
| RGB | rgb(33, 139, 174) |
| HSL | hsl(195, 68%, 41%) |
| HSV | hsv(195, 81%, 68%) |
| CMYK | cmyk(81%, 20.1%, 0%, 31.8%) |
| CIE-LAB | lab(53.86, -16.69, -26.66) |
| CIE-LCH | lch(53.86, 31.45, 237.96°) |
| OKLab | oklab(59.52% -0.0729 -0.0749) |
| OKLCH | oklch(59.52% 0.105 225.8) |
| XYZ | xyz(17.4966, 21.8424, 43.3300) |
| Luminance | 0.2185 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.03
Teal Blue
#01889F
ΔE00 5.07
Cerulean
#007BA7
ΔE00 6.64
Ocean
#017B92
ΔE00 7.66
Steel Blue
#4682B4
ΔE00 8.58
Dusty Blue
#5A86AD
ΔE00 8.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#218BAE #AE4421
analogous
#21AE8B #218BAE #2144AE
triadic
#218BAE #AE218B #8BAE21
tetradic
#218BAE #8B21AE #AE4421 #44AE21
square
#218BAE #8B21AE #AE4421 #44AE21
split-complementary
#218BAE #AE2144 #AE8B21
monochromatic
#0D3947 #17627B #218BAE #34B0D8 #67C4E2
Accessibility & contrast
On white
3.91
#218BAE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#218BAE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #218BAE
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##218BAE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##218BAE | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7888B0
Deuteranopia (green-blind)
#657BAE
Tritanopia (blue-blind)
#009596
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #218bae; /* rgb */ color: rgb(33, 139, 174); /* oklch */ color: oklch(59.5% 0.105 225.8);
Tailwind
colors: {
custom: {
50: '#75adc6',
500: '#218bae',
950: '#000000',
},
}SCSS
$custom: #218bae; $custom-light: #75adc6; $custom-dark: #000000;
JSON
{
"hex": "#218bae",
"rgb": {
"r": 33,
"g": 139,
"b": 174
},
"hsl": {
"h": 194.894,
"s": 68.116,
"l": 40.588
},
"oklch": {
"l": 0.59522,
"c": 0.10453,
"h": 225.8
},
"luminance": 0.21845
}Semantic roles & 50–950 ramp
primary
#218BAE
secondary
#C87C63
accent
#683DEB
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82