#4B8BCF#4B8BCF
#4B8BCF is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.5% C 0.123 H 251.6°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).
Color values
| HEX | #4B8BCF |
|---|---|
| RGB | rgb(75, 139, 207) |
| HSL | hsl(211, 58%, 55%) |
| HSV | hsv(211, 64%, 81%) |
| CMYK | cmyk(63.8%, 32.9%, 0%, 18.8%) |
| CIE-LAB | lab(56.55, 0.63, -41.14) |
| CIE-LCH | lch(56.55, 41.14, 270.88°) |
| OKLab | oklab(62.48% -0.0386 -0.1164) |
| OKLCH | oklch(62.48% 0.123 251.6) |
| XYZ | xyz(23.3926, 24.4638, 62.5086) |
| Luminance | 0.2447 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.19
Cool Blue
#4984B8
ΔE00 3.58
Faded Blue
#658CBB
ΔE00 4.10
Dodgerblue
#1E90FF
ΔE00 4.39
Steel Blue
#4682B4
ΔE00 4.52
Off Blue
#5684AE
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B8BCF #CF8F4B
analogous
#4BCDCF #4B8BCF #4D4BCF
triadic
#4B8BCF #CF4B8B #8BCF4B
tetradic
#4B8BCF #CF4BCD #CF8F4B #4BCF4D
square
#4B8BCF #CF4BCD #CF8F4B #4BCF4D
split-complementary
#4B8BCF #CF4D4B #CDCF4B
monochromatic
#224E7E #2E6CAE #4B8BCF #7BAADC #ACC9E9
Accessibility & contrast
On white
3.56
#4B8BCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.89
#4B8BCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B8BCF
5.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B8BCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B8BCF | 1.00 | 3.56 | 5.89 | 5.89 |
| #FFFFFF | 3.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E8FD2
Deuteranopia (green-blind)
#5B82CE
Tritanopia (blue-blind)
#009BA3
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #4b8bcf; /* rgb */ color: rgb(75, 139, 207); /* oklch */ color: oklch(62.5% 0.123 251.6);
Tailwind
colors: {
custom: {
50: '#89acde',
500: '#4b8bcf',
950: '#000000',
},
}SCSS
$custom: #4b8bcf; $custom-light: #89acde; $custom-dark: #000000;
JSON
{
"hex": "#4b8bcf",
"rgb": {
"r": 75,
"g": 139,
"b": 207
},
"hsl": {
"h": 210.909,
"s": 57.895,
"l": 55.294
},
"oklch": {
"l": 0.62482,
"c": 0.12265,
"h": 251.6
},
"luminance": 0.24466
}Semantic roles & 50–950 ramp
primary
#4B8BCF
secondary
#D6BC9F
accent
#9647E1
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83