#238BBC#238BBC
#238BBC is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.116 H 234.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #238BBC |
|---|---|
| RGB | rgb(35, 139, 188) |
| HSL | hsl(199, 69%, 44%) |
| HSV | hsv(199, 81%, 74%) |
| CMYK | cmyk(81.4%, 26.1%, 0%, 26.3%) |
| CIE-LAB | lab(54.50, -11.54, -33.66) |
| CIE-LCH | lch(54.50, 35.59, 251.08°) |
| OKLab | oklab(60.25% -0.0671 -0.0951) |
| OKLCH | oklch(60.25% 0.116 234.8) |
| XYZ | xyz(18.9992, 22.4510, 50.8993) |
| Luminance | 0.2245 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.34
Cerulean (survey)
#0485D1
ΔE00 5.58
Steel Blue
#4682B4
ΔE00 5.60
Cool Blue
#4984B8
ΔE00 5.77
Cerulean
#007BA7
ΔE00 6.33
Dirty Blue
#3F829D
ΔE00 6.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#238BBC #BC5423
analogous
#23BCA0 #238BBC #233EBC
triadic
#238BBC #BC238B #8BBC23
tetradic
#238BBC #A023BC #BC5423 #3EBC23
square
#238BBC #A023BC #BC5423 #3EBC23
split-complementary
#238BBC #BC233E #BCA023
monochromatic
#103F55 #196588 #238BBC #41AADC #74C1E5
Accessibility & contrast
On white
3.82
#238BBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.49
#238BBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #238BBC
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##238BBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##238BBC | 1.00 | 3.82 | 5.49 | 5.49 |
| #FFFFFF | 3.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.49 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.49 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#738ABE
Deuteranopia (green-blind)
#5F7CBB
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #238bbc; /* rgb */ color: rgb(35, 139, 188); /* oklch */ color: oklch(60.2% 0.116 234.8);
Tailwind
colors: {
custom: {
50: '#78acd0',
500: '#238bbc',
950: '#000000',
},
}SCSS
$custom: #238bbc; $custom-light: #78acd0; $custom-dark: #000000;
JSON
{
"hex": "#238bbc",
"rgb": {
"r": 35,
"g": 139,
"b": 188
},
"hsl": {
"h": 199.216,
"s": 68.61,
"l": 43.725
},
"oklch": {
"l": 0.60247,
"c": 0.11638,
"h": 234.8
},
"luminance": 0.22453
}Semantic roles & 50–950 ramp
primary
#238BBC
secondary
#CC8D6F
accent
#743CEB
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A1014
muted
#7C7F82