#4F87BF#4F87BF
#4F87BF is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.9% C 0.104 H 249.9°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #4F87BF |
|---|---|
| RGB | rgb(79, 135, 191) |
| HSL | hsl(210, 47%, 53%) |
| HSV | hsv(210, 59%, 75%) |
| CMYK | cmyk(58.6%, 29.3%, 0%, 25.1%) |
| CIE-LAB | lab(54.81, -1.58, -34.79) |
| CIE-LCH | lch(54.81, 34.82, 267.40°) |
| OKLab | oklab(60.92% -0.0358 -0.0979) |
| OKLCH | oklch(60.92% 0.104 249.9) |
| XYZ | xyz(21.2890, 22.7499, 52.5494) |
| Luminance | 0.2275 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.69
Off Blue
#5684AE
ΔE00 2.57
Steel Blue
#4682B4
ΔE00 2.66
Dusty Blue
#5A86AD
ΔE00 2.93
Faded Blue
#658CBB
ΔE00 3.66
Dark Sky Blue
#448EE4
ΔE00 4.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F87BF #BF874F
analogous
#4FBFBF #4F87BF #4F4FBF
triadic
#4F87BF #BF4F87 #87BF4F
tetradic
#4F87BF #BF4FBF #BF874F #4FBF4F
square
#4F87BF #BF4FBF #BF874F #4FBF4F
split-complementary
#4F87BF #BF4F4F #BFBF4F
monochromatic
#274A6C #386899 #4F87BF #7CA6CF #A9C4E0
Accessibility & contrast
On white
3.78
#4F87BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#4F87BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F87BF
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F87BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F87BF | 1.00 | 3.78 | 5.55 | 5.55 |
| #FFFFFF | 3.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F89C1
Deuteranopia (green-blind)
#617EBE
Tritanopia (blue-blind)
#00949B
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #4f87bf; /* rgb */ color: rgb(79, 135, 191); /* oklch */ color: oklch(60.9% 0.104 249.9);
Tailwind
colors: {
custom: {
50: '#89a9d2',
500: '#4f87bf',
950: '#000000',
},
}SCSS
$custom: #4f87bf; $custom-light: #89a9d2; $custom-dark: #000000;
JSON
{
"hex": "#4f87bf",
"rgb": {
"r": 79,
"g": 135,
"b": 191
},
"hsl": {
"h": 210,
"s": 46.667,
"l": 52.941
},
"oklch": {
"l": 0.60919,
"c": 0.10428,
"h": 249.9
},
"luminance": 0.22752
}Semantic roles & 50–950 ramp
primary
#4F87BF
secondary
#CDB59D
accent
#9451D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82