#4579DA#4579DA
#4579DA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.9% C 0.159 H 261.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #4579DA |
|---|---|
| RGB | rgb(69, 121, 218) |
| HSL | hsl(219, 67%, 56%) |
| HSV | hsv(219, 68%, 85%) |
| CMYK | cmyk(68.3%, 44.5%, 0%, 14.5%) |
| CIE-LAB | lab(51.84, 14.32, -54.84) |
| CIE-LCH | lch(51.84, 56.68, 284.64°) |
| OKLab | oklab(58.94% -0.0231 -0.1569) |
| OKLCH | oklch(58.94% 0.159 261.6) |
| XYZ | xyz(21.9420, 19.9997, 69.0200) |
| Luminance | 0.2000 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.39
Clear Blue
#247AFD
ΔE00 3.59
Lightish Blue
#3D7AFD
ΔE00 3.88
Cornflower Blue
#5170D7
ΔE00 4.24
Cerulean Blue
#056EEE
ΔE00 4.40
Windows Blue
#3778BF
ΔE00 4.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4579DA #DAA645
analogous
#45C4DA #4579DA #5C45DA
triadic
#4579DA #DA4579 #79DA45
tetradic
#4579DA #DA45C4 #DAA645 #45DA5C
square
#4579DA #DA45C4 #DAA645 #45DA5C
split-complementary
#4579DA #DA5C45 #C4DA45
monochromatic
#1B4289 #255ABC #4579DA #789EE4 #ABC3EE
Accessibility & contrast
On white
4.20
#4579DA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.00
#4579DA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4579DA
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4579DA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4579DA | 1.00 | 4.20 | 5.00 | 5.00 |
| #FFFFFF | 4.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4983DE
Deuteranopia (green-blind)
#2D75D8
Tritanopia (blue-blind)
#00909F
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #4579da; /* rgb */ color: rgb(69, 121, 218); /* oklch */ color: oklch(58.9% 0.159 261.6);
Tailwind
colors: {
custom: {
50: '#899fe6',
500: '#4579da',
950: '#000000',
},
}SCSS
$custom: #4579da; $custom-light: #899fe6; $custom-dark: #000000;
JSON
{
"hex": "#4579da",
"rgb": {
"r": 69,
"g": 121,
"b": 218
},
"hsl": {
"h": 219.06,
"s": 66.816,
"l": 56.275
},
"oklch": {
"l": 0.58944,
"c": 0.15857,
"h": 261.6
},
"luminance": 0.20002
}Semantic roles & 50–950 ramp
primary
#4579DA
secondary
#DCC79F
accent
#AE3EEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84