#4581E2#4581E2
#4581E2 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.2% C 0.160 H 259.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #4581E2 |
|---|---|
| RGB | rgb(69, 129, 226) |
| HSL | hsl(217, 73%, 58%) |
| HSV | hsv(217, 69%, 89%) |
| CMYK | cmyk(69.5%, 42.9%, 0%, 11.4%) |
| CIE-LAB | lab(54.51, 12.24, -55.07) |
| CIE-LCH | lch(54.51, 56.42, 282.53°) |
| OKLab | oklab(61.15% -0.029 -0.1574) |
| OKLCH | oklch(61.15% 0.16 259.6) |
| XYZ | xyz(24.0270, 22.4542, 75.0046) |
| Luminance | 0.2246 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.70
Azure
#007FFF
ΔE00 3.03
Clear Blue
#247AFD
ΔE00 3.30
Lightish Blue
#3D7AFD
ΔE00 3.86
Deep Sky Blue
#0D75F8
ΔE00 4.42
Dark Sky Blue
#448EE4
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4581E2 #E2A645
analogous
#45CFE2 #4581E2 #5745E2
triadic
#4581E2 #E24581 #81E245
tetradic
#4581E2 #E245CF #E2A645 #45E257
square
#4581E2 #E245CF #E2A645 #45E257
split-complementary
#4581E2 #E25745 #CFE245
monochromatic
#174795 #2061CA #4581E2 #7AA5EA #AFC9F3
Accessibility & contrast
On white
3.82
#4581E2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.49
#4581E2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4581E2
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4581E2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4581E2 | 1.00 | 3.82 | 5.49 | 5.49 |
| #FFFFFF | 3.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.49 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.49 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#528AE6
Deuteranopia (green-blind)
#367CE0
Tritanopia (blue-blind)
#0098A6
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #4581e2; /* rgb */ color: rgb(69, 129, 226); /* oklch */ color: oklch(61.2% 0.160 259.6);
Tailwind
colors: {
custom: {
50: '#8aa5ec',
500: '#4581e2',
950: '#000000',
},
}SCSS
$custom: #4581e2; $custom-light: #8aa5ec; $custom-dark: #000000;
JSON
{
"hex": "#4581e2",
"rgb": {
"r": 69,
"g": 129,
"b": 226
},
"hsl": {
"h": 217.07,
"s": 73.023,
"l": 57.843
},
"oklch": {
"l": 0.61153,
"c": 0.16007,
"h": 259.6
},
"luminance": 0.22457
}Semantic roles & 50–950 ramp
primary
#4581E2
secondary
#E1C9A2
accent
#AA38F0
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D0F16
muted
#7E7F84