#4989E4#4989E4
#4989E4 is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.2% C 0.152 H 257.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).
Color values
| HEX | #4989E4 |
|---|---|
| RGB | rgb(73, 137, 228) |
| HSL | hsl(215, 74%, 59%) |
| HSV | hsv(215, 68%, 89%) |
| CMYK | cmyk(68%, 39.9%, 0%, 10.6%) |
| CIE-LAB | lab(56.98, 8.70, -52.23) |
| CIE-LCH | lch(56.98, 52.95, 279.46°) |
| OKLab | oklab(63.15% -0.033 -0.1489) |
| OKLCH | oklch(63.15% 0.153 257.5) |
| XYZ | xyz(25.6918, 24.9066, 76.8372) |
| Luminance | 0.2491 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.19
Dodger Blue
#3E82FC
ΔE00 3.36
Azure
#007FFF
ΔE00 3.93
Dodgerblue
#1E90FF
ΔE00 4.04
Cornflowerblue
#6495ED
ΔE00 4.67
Soft Blue
#6488EA
ΔE00 4.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4989E4 #E4A449
analogous
#49D7E4 #4989E4 #5749E4
triadic
#4989E4 #E44989 #89E449
tetradic
#4989E4 #E449D7 #E4A449 #49E457
square
#4989E4 #E449D7 #E4A449 #49E457
split-complementary
#4989E4 #E45749 #D7E449
monochromatic
#174E9C #1F68D1 #4989E4 #7EACEC #B4CEF4
Accessibility & contrast
On white
3.51
#4989E4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.98
#4989E4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4989E4
5.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4989E4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4989E4 | 1.00 | 3.51 | 5.98 | 5.98 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F91E8
Deuteranopia (green-blind)
#4782E2
Tritanopia (blue-blind)
#009EAB
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #4989e4; /* rgb */ color: rgb(73, 137, 228); /* oklch */ color: oklch(63.2% 0.152 257.5);
Tailwind
colors: {
custom: {
50: '#8caaed',
500: '#4989e4',
950: '#000000',
},
}SCSS
$custom: #4989e4; $custom-light: #8caaed; $custom-dark: #000000;
JSON
{
"hex": "#4989e4",
"rgb": {
"r": 73,
"g": 137,
"b": 228
},
"hsl": {
"h": 215.226,
"s": 74.163,
"l": 59.02
},
"oklch": {
"l": 0.63152,
"c": 0.1525,
"h": 257.5
},
"luminance": 0.24909
}Semantic roles & 50–950 ramp
primary
#4989E4
secondary
#E3CAA6
accent
#A437F1
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84