#4A81CF#4A81CF
#4A81CF is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.2% C 0.133 H 257.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4A81CF |
|---|---|
| RGB | rgb(74, 129, 207) |
| HSL | hsl(215, 58%, 55%) |
| HSV | hsv(215, 64%, 81%) |
| CMYK | cmyk(64.3%, 37.7%, 0%, 18.8%) |
| CIE-LAB | lab(53.66, 6.41, -45.70) |
| CIE-LCH | lch(53.66, 46.15, 277.98°) |
| OKLab | oklab(60.22% -0.0291 -0.1299) |
| OKLCH | oklch(60.22% 0.133 257.3) |
| XYZ | xyz(21.9327, 21.6592, 62.0442) |
| Luminance | 0.2166 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.81
Off Blue
#5684AE
ΔE00 4.27
Steel Blue
#4682B4
ΔE00 4.37
Azure
#007FFF
ΔE00 4.38
Windows Blue
#3778BF
ΔE00 4.38
Dodger Blue
#3E82FC
ΔE00 4.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A81CF #CF984A
analogous
#4AC4CF #4A81CF #554ACF
triadic
#4A81CF #CF4A81 #81CF4A
tetradic
#4A81CF #CF4AC4 #CF984A #4ACF55
square
#4A81CF #CF4AC4 #CF984A #4ACF55
split-complementary
#4A81CF #CF554A #C4CF4A
monochromatic
#21477D #2E63AE #4A81CF #7AA3DC #ABC4E9
Accessibility & contrast
On white
3.94
#4A81CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.33
#4A81CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A81CF
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A81CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A81CF | 1.00 | 3.94 | 5.33 | 5.33 |
| #FFFFFF | 3.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.33 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.33 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F87D2
Deuteranopia (green-blind)
#4C7BCD
Tritanopia (blue-blind)
#00939E
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #4a81cf; /* rgb */ color: rgb(74, 129, 207); /* oklch */ color: oklch(60.2% 0.133 257.3);
Tailwind
colors: {
custom: {
50: '#89a5de',
500: '#4a81cf',
950: '#000000',
},
}SCSS
$custom: #4a81cf; $custom-light: #89a5de; $custom-dark: #000000;
JSON
{
"hex": "#4a81cf",
"rgb": {
"r": 74,
"g": 129,
"b": 207
},
"hsl": {
"h": 215.188,
"s": 58.079,
"l": 55.098
},
"oklch": {
"l": 0.60217,
"c": 0.13309,
"h": 257.3
},
"luminance": 0.21661
}Semantic roles & 50–950 ramp
primary
#4A81CF
secondary
#D6BF9F
accent
#A146E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D0F15
muted
#7D7F83