#4B88CC#4B88CC
#4B88CC is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.6% C 0.122 H 252.6°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #4B88CC |
|---|---|
| RGB | rgb(75, 136, 204) |
| HSL | hsl(212, 56%, 55%) |
| HSV | hsv(212, 63%, 80%) |
| CMYK | cmyk(63.2%, 33.3%, 0%, 20%) |
| CIE-LAB | lab(55.54, 1.38, -41.03) |
| CIE-LCH | lch(55.54, 41.05, 271.93°) |
| OKLab | oklab(61.65% -0.0363 -0.1161) |
| OKLCH | oklch(61.65% 0.122 252.6) |
| XYZ | xyz(22.6009, 23.4616, 60.4525) |
| Luminance | 0.2346 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.96
Dark Sky Blue
#448EE4
ΔE00 2.97
Steel Blue
#4682B4
ΔE00 3.88
Off Blue
#5684AE
ΔE00 3.96
Faded Blue
#658CBB
ΔE00 4.00
Dusty Blue
#5A86AD
ΔE00 4.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B88CC #CC8F4B
analogous
#4BC8CC #4B88CC #4F4BCC
triadic
#4B88CC #CC4B88 #88CC4B
tetradic
#4B88CC #CC4BC8 #CC8F4B #4BCC4F
square
#4B88CC #CC4BC8 #CC8F4B #4BCC4F
split-complementary
#4B88CC #CC4F4B #C8CC4B
monochromatic
#234C7A #306AAA #4B88CC #7BA8DA #AAC7E7
Accessibility & contrast
On white
3.69
#4B88CC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.69
#4B88CC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B88CC
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B88CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B88CC | 1.00 | 3.69 | 5.69 | 5.69 |
| #FFFFFF | 3.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B8CCF
Deuteranopia (green-blind)
#597FCB
Tritanopia (blue-blind)
#0098A1
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #4b88cc; /* rgb */ color: rgb(75, 136, 204); /* oklch */ color: oklch(61.6% 0.122 252.6);
Tailwind
colors: {
custom: {
50: '#89aadc',
500: '#4b88cc',
950: '#000000',
},
}SCSS
$custom: #4b88cc; $custom-light: #89aadc; $custom-dark: #000000;
JSON
{
"hex": "#4b88cc",
"rgb": {
"r": 75,
"g": 136,
"b": 204
},
"hsl": {
"h": 211.628,
"s": 55.844,
"l": 54.706
},
"oklch": {
"l": 0.61647,
"c": 0.12166,
"h": 252.6
},
"luminance": 0.23464
}Semantic roles & 50–950 ramp
primary
#4B88CC
secondary
#D5BB9E
accent
#9849DF
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83