#227BBC#227BBC
#227BBC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.129 H 245.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #227BBC |
|---|---|
| RGB | rgb(34, 123, 188) |
| HSL | hsl(205, 69%, 44%) |
| HSV | hsv(205, 82%, 74%) |
| CMYK | cmyk(81.9%, 34.6%, 0%, 26.3%) |
| CIE-LAB | lab(49.66, -2.32, -41.28) |
| CIE-LCH | lch(49.66, 41.35, 266.78°) |
| OKLab | oklab(56.4% -0.0531 -0.1175) |
| OKLCH | oklch(56.4% 0.129 245.7) |
| XYZ | xyz(16.8162, 18.1348, 50.1813) |
| Luminance | 0.1814 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 2.36
Nice Blue
#107AB0
ΔE00 3.14
Windows Blue
#3778BF
ΔE00 3.24
Steel Blue
#4682B4
ΔE00 3.65
Cerulean (survey)
#0485D1
ΔE00 4.07
Flat Blue
#3C73A8
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#227BBC #BC6322
analogous
#22BCB0 #227BBC #222EBC
triadic
#227BBC #BC227B #7BBC22
tetradic
#227BBC #B022BC #BC6322 #2EBC22
square
#227BBC #B022BC #BC6322 #2EBC22
split-complementary
#227BBC #BC222E #BCB022
monochromatic
#0F3754 #195988 #227BBC #3F9ADC #73B5E6
Accessibility & contrast
On white
4.54
#227BBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#227BBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #227BBC
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##227BBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##227BBC | 1.00 | 4.54 | 4.63 | 4.63 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C7EBF
Deuteranopia (green-blind)
#4670BB
Tritanopia (blue-blind)
#008B93
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #227bbc; /* rgb */ color: rgb(34, 123, 188); /* oklch */ color: oklch(56.4% 0.129 245.7);
Tailwind
colors: {
custom: {
50: '#77a0d0',
500: '#227bbc',
950: '#000000',
},
}SCSS
$custom: #227bbc; $custom-light: #77a0d0; $custom-dark: #000000;
JSON
{
"hex": "#227bbc",
"rgb": {
"r": 34,
"g": 123,
"b": 188
},
"hsl": {
"h": 205.325,
"s": 69.369,
"l": 43.529
},
"oklch": {
"l": 0.56402,
"c": 0.12891,
"h": 245.7
},
"luminance": 0.18137
}Semantic roles & 50–950 ramp
primary
#227BBC
secondary
#CD956D
accent
#863CEC
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E14
muted
#7C7E82