#228CBD#228CBD
#228CBD is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.117 H 234.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #228CBD |
|---|---|
| RGB | rgb(34, 140, 189) |
| HSL | hsl(199, 70%, 44%) |
| HSV | hsv(199, 82%, 74%) |
| CMYK | cmyk(82%, 25.9%, 0%, 25.9%) |
| CIE-LAB | lab(54.83, -11.84, -33.72) |
| CIE-LCH | lch(54.83, 35.74, 250.65°) |
| OKLab | oklab(60.52% -0.0681 -0.0952) |
| OKLCH | oklch(60.52% 0.117 234.4) |
| XYZ | xyz(19.2194, 22.7680, 51.5159) |
| Luminance | 0.2277 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.56
Cerulean (survey)
#0485D1
ΔE00 5.82
Steel Blue
#4682B4
ΔE00 5.89
Cool Blue
#4984B8
ΔE00 6.02
Dirty Blue
#3F829D
ΔE00 6.58
Cerulean
#007BA7
ΔE00 6.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#228CBD #BD5322
analogous
#22BDA0 #228CBD #223EBD
triadic
#228CBD #BD228C #8CBD22
tetradic
#228CBD #A022BD #BD5322 #3EBD22
square
#228CBD #A022BD #BD5322 #3EBD22
split-complementary
#228CBD #BD223E #BDA022
monochromatic
#0F3F55 #196689 #228CBD #40ABDD #73C2E6
Accessibility & contrast
On white
3.78
#228CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#228CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #228CBD
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##228CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##228CBD | 1.00 | 3.78 | 5.55 | 5.55 |
| #FFFFFF | 3.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#748BBF
Deuteranopia (green-blind)
#5F7DBC
Tritanopia (blue-blind)
#00999D
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #228cbd; /* rgb */ color: rgb(34, 140, 189); /* oklch */ color: oklch(60.5% 0.117 234.4);
Tailwind
colors: {
custom: {
50: '#78add1',
500: '#228cbd',
950: '#000000',
},
}SCSS
$custom: #228cbd; $custom-light: #78add1; $custom-dark: #000000;
JSON
{
"hex": "#228cbd",
"rgb": {
"r": 34,
"g": 140,
"b": 189
},
"hsl": {
"h": 198.968,
"s": 69.507,
"l": 43.725
},
"oklch": {
"l": 0.60519,
"c": 0.11706,
"h": 234.4
},
"luminance": 0.2277
}Semantic roles & 50–950 ramp
primary
#228CBD
secondary
#CD8C6E
accent
#733BEC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A1014
muted
#7C7F82