#4F71CF#4F71CF
#4F71CF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.0% C 0.150 H 266.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #4F71CF |
|---|---|
| RGB | rgb(79, 113, 207) |
| HSL | hsl(224, 57%, 56%) |
| HSV | hsv(224, 62%, 81%) |
| CMYK | cmyk(61.8%, 45.4%, 0%, 18.8%) |
| CIE-LAB | lab(49.47, 17.12, -52.37) |
| CIE-LCH | lch(49.47, 55.10, 288.10°) |
| OKLab | oklab(57.04% -0.0086 -0.1495) |
| OKLCH | oklch(57.04% 0.15 266.7) |
| XYZ | xyz(20.3882, 17.9757, 61.4146) |
| Luminance | 0.1798 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.28
Royal Blue
#4169E1
ΔE00 3.42
Cerulean Blue
#056EEE
ΔE00 4.97
French Blue
#436BAD
ΔE00 5.28
Deep Sky Blue
#0D75F8
ΔE00 5.81
Medium Blue
#2C6FBB
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F71CF #CFAD4F
analogous
#4FB1CF #4F71CF #6D4FCF
triadic
#4F71CF #CF4F71 #71CF4F
tetradic
#4F71CF #CF4FB1 #CFAD4F #4FCF6D
square
#4F71CF #CF4FB1 #CFAD4F #4FCF6D
split-complementary
#4F71CF #CF6D4F #B1CF4F
monochromatic
#233C81 #3052B1 #4F71CF #7F98DC #AFBFE9
Accessibility & contrast
On white
4.57
#4F71CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#4F71CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F71CF
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F71CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F71CF | 1.00 | 4.57 | 4.60 | 4.60 |
| #FFFFFF | 4.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#447CD3
Deuteranopia (green-blind)
#2F70CD
Tritanopia (blue-blind)
#008696
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #4f71cf; /* rgb */ color: rgb(79, 113, 207); /* oklch */ color: oklch(57.0% 0.150 266.7);
Tailwind
colors: {
custom: {
50: '#8c99de',
500: '#4f71cf',
950: '#000000',
},
}SCSS
$custom: #4f71cf; $custom-light: #8c99de; $custom-dark: #000000;
JSON
{
"hex": "#4f71cf",
"rgb": {
"r": 79,
"g": 113,
"b": 207
},
"hsl": {
"h": 224.063,
"s": 57.143,
"l": 56.078
},
"oklch": {
"l": 0.57041,
"c": 0.1498,
"h": 266.7
},
"luminance": 0.17978
}Semantic roles & 50–950 ramp
primary
#4F71CF
secondary
#D7C9A2
accent
#B847E0
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0D15
muted
#7E7E83