#4C91F7#4C91F7
#4C91F7 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.167 H 258.2°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).
Color values
| HEX | #4C91F7 |
|---|---|
| RGB | rgb(76, 145, 247) |
| HSL | hsl(216, 91%, 63%) |
| HSV | hsv(216, 69%, 97%) |
| CMYK | cmyk(69.2%, 41.3%, 0%, 3.1%) |
| CIE-LAB | lab(60.34, 10.97, -57.40) |
| CIE-LCH | lch(60.34, 58.43, 280.82°) |
| OKLab | oklab(66.12% -0.0343 -0.1639) |
| OKLCH | oklch(66.12% 0.167 258.2) |
| XYZ | xyz(29.8883, 28.4995, 91.9035) |
| Luminance | 0.2850 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 2.72
Dark Sky Blue
#448EE4
ΔE00 2.72
Dodgerblue
#1E90FF
ΔE00 2.95
Dodger Blue
#3E82FC
ΔE00 4.82
Soft Blue
#6488EA
ΔE00 5.33
Azure
#007FFF
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4C91F7 #F7B24C
analogous
#4CE7F7 #4C91F7 #5C4CF7
triadic
#4C91F7 #F74C91 #91F74C
tetradic
#4C91F7 #F74CE7 #F7B24C #4CF75C
square
#4C91F7 #F74CE7 #F7B24C #4CF75C
split-complementary
#4C91F7 #F75C4C #E7F74C
monochromatic
#0953C0 #116DF4 #4C91F7 #87B5FA #C1D9FC
Accessibility & contrast
On white
3.13
#4C91F7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.70
#4C91F7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4C91F7
6.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4C91F7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4C91F7 | 1.00 | 3.13 | 6.70 | 6.70 |
| #FFFFFF | 3.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#619AFB
Deuteranopia (green-blind)
#448AF5
Tritanopia (blue-blind)
#00A9B8
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #4c91f7; /* rgb */ color: rgb(76, 145, 247); /* oklch */ color: oklch(66.1% 0.167 258.2);
Tailwind
colors: {
custom: {
50: '#90b0fa',
500: '#4c91f7',
950: '#000000',
},
}SCSS
$custom: #4c91f7; $custom-light: #90b0fa; $custom-dark: #000000;
JSON
{
"hex": "#4c91f7",
"rgb": {
"r": 76,
"g": 145,
"b": 247
},
"hsl": {
"h": 215.789,
"s": 91.444,
"l": 63.333
},
"oklch": {
"l": 0.66121,
"c": 0.16745,
"h": 258.2
},
"luminance": 0.28503
}Semantic roles & 50–950 ramp
primary
#4C91F7
secondary
#EED5B1
accent
#8900E6
background
#F9FAFF
surface
#F2F4FF
border
#CCCED7
text
#0E1017
muted
#7E7F85