#2388BC#2388BC
#2388BC is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.5% C 0.118 H 237.0°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #2388BC |
|---|---|
| RGB | rgb(35, 136, 188) |
| HSL | hsl(200, 69%, 44%) |
| HSV | hsv(200, 81%, 74%) |
| CMYK | cmyk(81.4%, 27.7%, 0%, 26.3%) |
| CIE-LAB | lab(53.59, -9.84, -35.09) |
| CIE-LCH | lch(53.59, 36.44, 254.34°) |
| OKLab | oklab(59.52% -0.0644 -0.0992) |
| OKLCH | oklch(59.52% 0.118 237) |
| XYZ | xyz(18.5708, 21.5942, 50.7565) |
| Luminance | 0.2160 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.15
Cerulean (survey)
#0485D1
ΔE00 4.31
Steel Blue
#4682B4
ΔE00 4.55
Cool Blue
#4984B8
ΔE00 4.80
Nice Blue
#107AB0
ΔE00 5.30
Cerulean
#007BA7
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2388BC #BC5723
analogous
#23BCA3 #2388BC #233BBC
triadic
#2388BC #BC2388 #88BC23
tetradic
#2388BC #A323BC #BC5723 #3BBC23
square
#2388BC #A323BC #BC5723 #3BBC23
split-complementary
#2388BC #BC233B #BCA323
monochromatic
#103D55 #196388 #2388BC #41A7DC #74BFE5
Accessibility & contrast
On white
3.95
#2388BC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.32
#2388BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2388BC
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2388BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2388BC | 1.00 | 3.95 | 5.32 | 5.32 |
| #FFFFFF | 3.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.32 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.32 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F88BE
Deuteranopia (green-blind)
#5A7ABB
Tritanopia (blue-blind)
#00959A
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #2388bc; /* rgb */ color: rgb(35, 136, 188); /* oklch */ color: oklch(59.5% 0.118 237.0);
Tailwind
colors: {
custom: {
50: '#77aad0',
500: '#2388bc',
950: '#000000',
},
}SCSS
$custom: #2388bc; $custom-light: #77aad0; $custom-dark: #000000;
JSON
{
"hex": "#2388bc",
"rgb": {
"r": 35,
"g": 136,
"b": 188
},
"hsl": {
"h": 200.392,
"s": 68.61,
"l": 43.725
},
"oklch": {
"l": 0.59523,
"c": 0.11827,
"h": 237
},
"luminance": 0.21596
}Semantic roles & 50–950 ramp
primary
#2388BC
secondary
#CC8E6F
accent
#783CEB
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A1014
muted
#7C7F82