#2388B2#2388B2
#2388B2 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.0% C 0.109 H 231.3°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).
Color values
| HEX | #2388B2 |
|---|---|
| RGB | rgb(35, 136, 178) |
| HSL | hsl(198, 67%, 42%) |
| HSV | hsv(198, 80%, 70%) |
| CMYK | cmyk(80.3%, 23.6%, 0%, 30.2%) |
| CIE-LAB | lab(53.14, -13.42, -30.06) |
| CIE-LCH | lch(53.14, 32.92, 245.94°) |
| OKLab | oklab(59.02% -0.0678 -0.0847) |
| OKLCH | oklch(59.02% 0.109 231.3) |
| XYZ | xyz(17.5299, 21.1778, 45.2747) |
| Luminance | 0.2118 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.48
Cerulean
#007BA7
ΔE00 5.01
Water Blue
#0E87CC
ΔE00 6.11
Nice Blue
#107AB0
ΔE00 6.21
Steel Blue
#4682B4
ΔE00 6.26
Cool Blue
#4984B8
ΔE00 6.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2388B2 #B24D23
analogous
#23B295 #2388B2 #2341B2
triadic
#2388B2 #B22388 #88B223
tetradic
#2388B2 #9523B2 #B24D23 #41B223
square
#2388B2 #9523B2 #B24D23 #41B223
split-complementary
#2388B2 #B22341 #B29523
monochromatic
#0F3A4C #19617F #2388B2 #3AAAD8 #6DC0E2
Accessibility & contrast
On white
4.01
#2388B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.24
#2388B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2388B2
5.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2388B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2388B2 | 1.00 | 4.01 | 5.24 | 5.24 |
| #FFFFFF | 4.01 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7386B4
Deuteranopia (green-blind)
#6079B1
Tritanopia (blue-blind)
#009396
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #2388b2; /* rgb */ color: rgb(35, 136, 178); /* oklch */ color: oklch(59.0% 0.109 231.3);
Tailwind
colors: {
custom: {
50: '#76aac9',
500: '#2388b2',
950: '#000000',
},
}SCSS
$custom: #2388b2; $custom-light: #76aac9; $custom-dark: #000000;
JSON
{
"hex": "#2388b2",
"rgb": {
"r": 35,
"g": 136,
"b": 178
},
"hsl": {
"h": 197.622,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.59016,
"c": 0.10851,
"h": 231.3
},
"luminance": 0.2118
}Semantic roles & 50–950 ramp
primary
#2388B2
secondary
#C98568
accent
#703EEA
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82