#218398#218398
#218398 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.091 H 215.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #218398 |
|---|---|
| RGB | rgb(33, 131, 152) |
| HSL | hsl(191, 64%, 36%) |
| HSV | hsv(191, 78%, 60%) |
| CMYK | cmyk(78.3%, 13.8%, 0%, 40.4%) |
| CIE-LAB | lab(50.48, -19.94, -19.14) |
| CIE-LCH | lch(50.48, 27.64, 223.84°) |
| OKLab | oklab(56.51% -0.0738 -0.0534) |
| OKLCH | oklch(56.51% 0.091 215.9) |
| XYZ | xyz(14.4086, 18.8212, 32.5731) |
| Luminance | 0.1882 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 2.00
Ocean
#017B92
ΔE00 3.25
Dirty Blue
#3F829D
ΔE00 4.69
Sea Blue
#047495
ΔE00 7.15
Deep Aqua
#08787F
ΔE00 7.51
Cerulean
#007BA7
ΔE00 8.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#218398 #983621
analogous
#219872 #218398 #214898
triadic
#218398 #982183 #839821
tetradic
#218398 #722198 #983621 #489821
square
#218398 #722198 #983621 #489821
split-complementary
#218398 #982148 #987221
monochromatic
#0B2C33 #165866 #218398 #2CAECA #59C4DB
Accessibility & contrast
On white
4.41
#218398 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#218398 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #218398
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##218398 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##218398 | 1.00 | 4.41 | 4.76 | 4.76 |
| #FFFFFF | 4.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#757F99
Deuteranopia (green-blind)
#657398
Tritanopia (blue-blind)
#008B8A
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #218398; /* rgb */ color: rgb(33, 131, 152); /* oklch */ color: oklch(56.5% 0.091 215.9);
Tailwind
colors: {
custom: {
50: '#71a7b6',
500: '#218398',
950: '#000000',
},
}SCSS
$custom: #218398; $custom-light: #71a7b6; $custom-dark: #000000;
JSON
{
"hex": "#218398",
"rgb": {
"r": 33,
"g": 131,
"b": 152
},
"hsl": {
"h": 190.588,
"s": 64.324,
"l": 36.275
},
"oklch": {
"l": 0.56513,
"c": 0.09116,
"h": 215.9
},
"luminance": 0.18823
}Semantic roles & 50–950 ramp
primary
#218398
secondary
#BF6856
accent
#5E40E7
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80