#4F87CF#4F87CF
#4F87CF is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.8% C 0.125 H 255.5°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #4F87CF |
|---|---|
| RGB | rgb(79, 135, 207) |
| HSL | hsl(214, 57%, 56%) |
| HSV | hsv(214, 62%, 81%) |
| CMYK | cmyk(61.8%, 34.8%, 0%, 18.8%) |
| CIE-LAB | lab(55.58, 3.72, -42.66) |
| CIE-LCH | lch(55.58, 42.82, 274.98°) |
| OKLab | oklab(61.77% -0.0314 -0.1208) |
| OKLCH | oklch(61.77% 0.125 255.5) |
| XYZ | xyz(23.1469, 23.4931, 62.3342) |
| Luminance | 0.2349 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 3.25
Cool Blue
#4984B8
ΔE00 3.63
Faded Blue
#658CBB
ΔE00 3.72
Off Blue
#5684AE
ΔE00 4.21
Dusty Blue
#5A86AD
ΔE00 4.48
Steel Blue
#4682B4
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F87CF #CF974F
analogous
#4FC7CF #4F87CF #574FCF
triadic
#4F87CF #CF4F87 #87CF4F
tetradic
#4F87CF #CF4FC7 #CF974F #4FCF57
square
#4F87CF #CF4FC7 #CF974F #4FCF57
split-complementary
#4F87CF #CF574F #C7CF4F
monochromatic
#234C81 #3068B1 #4F87CF #7FA8DC #AFC9E9
Accessibility & contrast
On white
3.68
#4F87CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.70
#4F87CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F87CF
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F87CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F87CF | 1.00 | 3.68 | 5.70 | 5.70 |
| #FFFFFF | 3.68 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#688CD2
Deuteranopia (green-blind)
#5780CE
Tritanopia (blue-blind)
#0097A1
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #4f87cf; /* rgb */ color: rgb(79, 135, 207); /* oklch */ color: oklch(61.8% 0.125 255.5);
Tailwind
colors: {
custom: {
50: '#8ba9de',
500: '#4f87cf',
950: '#000000',
},
}SCSS
$custom: #4f87cf; $custom-light: #8ba9de; $custom-dark: #000000;
JSON
{
"hex": "#4f87cf",
"rgb": {
"r": 79,
"g": 135,
"b": 207
},
"hsl": {
"h": 213.75,
"s": 57.143,
"l": 56.078
},
"oklch": {
"l": 0.61767,
"c": 0.12483,
"h": 255.5
},
"luminance": 0.23495
}Semantic roles & 50–950 ramp
primary
#4F87CF
secondary
#D7C0A2
accent
#9D47E0
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D0F15
muted
#7E7F83