#228A9F#228A9F
#228A9F is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.095 H 214.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).
Color values
| HEX | #228A9F |
|---|---|
| RGB | rgb(34, 138, 159) |
| HSL | hsl(190, 65%, 38%) |
| HSV | hsv(190, 79%, 62%) |
| CMYK | cmyk(78.6%, 13.2%, 0%, 37.6%) |
| CIE-LAB | lab(52.97, -21.19, -19.39) |
| CIE-LCH | lch(52.97, 28.72, 222.47°) |
| OKLab | oklab(58.61% -0.0776 -0.0541) |
| OKLCH | oklch(58.61% 0.095 214.9) |
| XYZ | xyz(16.0035, 21.0183, 36.0076) |
| Luminance | 0.2102 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 1.30
Dirty Blue
#3F829D
ΔE00 5.52
Ocean
#017B92
ΔE00 5.76
Dark Cyan
#0A888A
ΔE00 8.22
Darkcyan
#008B8B
ΔE00 9.06
Deep Aqua
#08787F
ΔE00 9.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#228A9F #9F3722
analogous
#229F75 #228A9F #224B9F
triadic
#228A9F #9F228A #8A9F22
tetradic
#228A9F #75229F #9F3722 #4B9F22
square
#228A9F #75229F #9F3722 #4B9F22
split-complementary
#228A9F #9F224B #9F7522
monochromatic
#0C323A #175E6D #228A9F #2DB6D1 #5FC8DD
Accessibility & contrast
On white
4.04
#228A9F on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.20
#228A9F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #228A9F
5.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##228A9F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##228A9F | 1.00 | 4.04 | 5.20 | 5.20 |
| #FFFFFF | 4.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B85A0
Deuteranopia (green-blind)
#6A799F
Tritanopia (blue-blind)
#009291
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #228a9f; /* rgb */ color: rgb(34, 138, 159); /* oklch */ color: oklch(58.6% 0.095 214.9);
Tailwind
colors: {
custom: {
50: '#73acbb',
500: '#228a9f',
950: '#000000',
},
}SCSS
$custom: #228a9f; $custom-light: #73acbb; $custom-dark: #000000;
JSON
{
"hex": "#228a9f",
"rgb": {
"r": 34,
"g": 138,
"b": 159
},
"hsl": {
"h": 190.08,
"s": 64.767,
"l": 37.843
},
"oklch": {
"l": 0.58615,
"c": 0.0946,
"h": 214.9
},
"luminance": 0.2102
}Semantic roles & 50–950 ramp
primary
#228A9F
secondary
#C16D5B
accent
#5C40E8
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#091011
muted
#7B7F80