#4D91F4#4D91F4
#4D91F4 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.0% C 0.163 H 257.9°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).
Color values
| HEX | #4D91F4 |
|---|---|
| RGB | rgb(77, 145, 244) |
| HSL | hsl(216, 88%, 63%) |
| HSV | hsv(216, 68%, 96%) |
| CMYK | cmyk(68.4%, 40.6%, 0%, 4.3%) |
| CIE-LAB | lab(60.21, 10.07, -55.94) |
| CIE-LCH | lch(60.21, 56.84, 280.21°) |
| OKLab | oklab(65.98% -0.0342 -0.1596) |
| OKLCH | oklch(65.98% 0.163 257.9) |
| XYZ | xyz(29.5092, 28.3572, 89.4887) |
| Luminance | 0.2836 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.50
Cornflowerblue
#6495ED
ΔE00 2.70
Dodgerblue
#1E90FF
ΔE00 2.91
Dodger Blue
#3E82FC
ΔE00 4.86
Soft Blue
#6488EA
ΔE00 5.31
Azure
#007FFF
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4D91F4 #F4B04D
analogous
#4DE4F4 #4D91F4 #5C4DF4
triadic
#4D91F4 #F44D91 #91F44D
tetradic
#4D91F4 #F44DE4 #F4B04D #4DF45C
square
#4D91F4 #F44DE4 #F4B04D #4DF45C
split-complementary
#4D91F4 #F45C4D #E4F44D
monochromatic
#0C53BB #136DF0 #4D91F4 #87B5F8 #C0D8FB
Accessibility & contrast
On white
3.15
#4D91F4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.67
#4D91F4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4D91F4
6.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4D91F4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4D91F4 | 1.00 | 3.15 | 6.67 | 6.67 |
| #FFFFFF | 3.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#639AF8
Deuteranopia (green-blind)
#488AF2
Tritanopia (blue-blind)
#00A8B7
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #4d91f4; /* rgb */ color: rgb(77, 145, 244); /* oklch */ color: oklch(66.0% 0.163 257.9);
Tailwind
colors: {
custom: {
50: '#90b0f8',
500: '#4d91f4',
950: '#000000',
},
}SCSS
$custom: #4d91f4; $custom-light: #90b0f8; $custom-dark: #000000;
JSON
{
"hex": "#4d91f4",
"rgb": {
"r": 77,
"g": 145,
"b": 244
},
"hsl": {
"h": 215.569,
"s": 88.36,
"l": 62.941
},
"oklch": {
"l": 0.65979,
"c": 0.16325,
"h": 257.9
},
"luminance": 0.2836
}Semantic roles & 50–950 ramp
primary
#4D91F4
secondary
#ECD4B0
accent
#8801E5
background
#F9FAFF
surface
#F2F4FF
border
#CCCED7
text
#0E1017
muted
#7E7F85