#4577DC#4577DC
#4577DC is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.7% C 0.164 H 262.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #4577DC |
|---|---|
| RGB | rgb(69, 119, 220) |
| HSL | hsl(220, 68%, 57%) |
| HSV | hsv(220, 69%, 86%) |
| CMYK | cmyk(68.6%, 45.9%, 0%, 13.7%) |
| CIE-LAB | lab(51.41, 16.27, -56.66) |
| CIE-LCH | lch(51.41, 58.95, 286.03°) |
| OKLab | oklab(58.65% -0.021 -0.1622) |
| OKLCH | oklch(58.65% 0.164 262.6) |
| XYZ | xyz(21.9648, 19.6239, 70.3265) |
| Luminance | 0.1963 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.29
Cornflower Blue
#5170D7
ΔE00 3.51
Clear Blue
#247AFD
ΔE00 3.72
Lightish Blue
#3D7AFD
ΔE00 3.81
Cerulean Blue
#056EEE
ΔE00 3.95
Windows Blue
#3778BF
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4577DC #DCAA45
analogous
#45C3DC #4577DC #5E45DC
triadic
#4577DC #DC4577 #77DC45
tetradic
#4577DC #DC45C3 #DCAA45 #45DC5E
square
#4577DC #DC45C3 #DCAA45 #45DC5E
split-complementary
#4577DC #DC5E45 #C3DC45
monochromatic
#1A408C #2458C0 #4577DC #799DE6 #ACC2EF
Accessibility & contrast
On white
4.26
#4577DC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#4577DC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4577DC
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4577DC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4577DC | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4382E0
Deuteranopia (green-blind)
#2474DA
Tritanopia (blue-blind)
#008F9F
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #4577dc; /* rgb */ color: rgb(69, 119, 220); /* oklch */ color: oklch(58.7% 0.164 262.6);
Tailwind
colors: {
custom: {
50: '#899de7',
500: '#4577dc',
950: '#000000',
},
}SCSS
$custom: #4577dc; $custom-light: #899de7; $custom-dark: #000000;
JSON
{
"hex": "#4577dc",
"rgb": {
"r": 69,
"g": 119,
"b": 220
},
"hsl": {
"h": 220.132,
"s": 68.326,
"l": 56.667
},
"oklch": {
"l": 0.58654,
"c": 0.1636,
"h": 262.6
},
"luminance": 0.19626
}Semantic roles & 50–950 ramp
primary
#4577DC
secondary
#DDC9A0
accent
#B13DEB
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84