#4D81DD#4D81DD
#4D81DD is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.2% C 0.151 H 260.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).
Color values
| HEX | #4D81DD |
|---|---|
| RGB | rgb(77, 129, 221) |
| HSL | hsl(218, 68%, 58%) |
| HSV | hsv(218, 65%, 87%) |
| CMYK | cmyk(65.2%, 41.6%, 0%, 13.3%) |
| CIE-LAB | lab(54.55, 11.75, -52.18) |
| CIE-LCH | lch(54.55, 53.48, 282.69°) |
| OKLab | oklab(61.19% -0.0237 -0.1488) |
| OKLCH | oklch(61.19% 0.151 260.9) |
| XYZ | xyz(23.9573, 22.4964, 71.4723) |
| Luminance | 0.2250 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 3.09
Clear Blue
#247AFD
ΔE00 3.77
Azure
#007FFF
ΔE00 3.89
Lightish Blue
#3D7AFD
ΔE00 3.94
Soft Blue
#6488EA
ΔE00 4.23
Deep Sky Blue
#0D75F8
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4D81DD #DDA94D
analogous
#4DC9DD #4D81DD #614DDD
triadic
#4D81DD #DD4D81 #81DD4D
tetradic
#4D81DD #DD4DC9 #DDA94D #4DDD61
square
#4D81DD #DD4DC9 #DDA94D #4DDD61
split-complementary
#4D81DD #DD614D #C9DD4D
monochromatic
#1C4793 #2660C7 #4D81DD #80A5E7 #B4CAF1
Accessibility & contrast
On white
3.82
#4D81DD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.50
#4D81DD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4D81DD
5.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4D81DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4D81DD | 1.00 | 3.82 | 5.50 | 5.50 |
| #FFFFFF | 3.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.50 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.50 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#578AE1
Deuteranopia (green-blind)
#407CDB
Tritanopia (blue-blind)
#0096A4
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #4d81dd; /* rgb */ color: rgb(77, 129, 221); /* oklch */ color: oklch(61.2% 0.151 260.9);
Tailwind
colors: {
custom: {
50: '#8da5e8',
500: '#4d81dd',
950: '#000000',
},
}SCSS
$custom: #4d81dd; $custom-light: #8da5e8; $custom-dark: #000000;
JSON
{
"hex": "#4d81dd",
"rgb": {
"r": 77,
"g": 129,
"b": 221
},
"hsl": {
"h": 218.333,
"s": 67.925,
"l": 58.431
},
"oklch": {
"l": 0.61186,
"c": 0.15068,
"h": 260.9
},
"luminance": 0.22499
}Semantic roles & 50–950 ramp
primary
#4D81DD
secondary
#DFCBA6
accent
#AC3DEB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D0F16
muted
#7E7F84