#4577C2#4577C2
#4577C2 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.0% C 0.128 H 258.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #4577C2 |
|---|---|
| RGB | rgb(69, 119, 194) |
| HSL | hsl(216, 51%, 52%) |
| HSV | hsv(216, 64%, 76%) |
| CMYK | cmyk(64.4%, 38.7%, 0%, 23.9%) |
| CIE-LAB | lab(49.92, 7.11, -44.24) |
| CIE-LCH | lch(49.92, 44.81, 279.13°) |
| OKLab | oklab(57.02% -0.026 -0.1258) |
| OKLCH | oklch(57.02% 0.128 258.3) |
| XYZ | xyz(18.7852, 18.3521, 53.5808) |
| Luminance | 0.1835 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.46
Medium Blue
#2C6FBB
ΔE00 3.95
Bluish
#2976BB
ΔE00 4.11
Flat Blue
#3C73A8
ΔE00 4.19
French Blue
#436BAD
ΔE00 5.00
Cornflower Blue
#5170D7
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4577C2 #C29045
analogous
#45B6C2 #4577C2 #5245C2
triadic
#4577C2 #C24577 #77C245
tetradic
#4577C2 #C245B6 #C29045 #45C252
square
#4577C2 #C245B6 #C29045 #45C252
split-complementary
#4577C2 #C25245 #B6C245
monochromatic
#233F6A #325B98 #4577C2 #7399D1 #A1BAE0
Accessibility & contrast
On white
4.50
#4577C2 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.67
#4577C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4577C2
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4577C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4577C2 | 1.00 | 4.50 | 4.67 | 4.67 |
| #FFFFFF | 4.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#567DC5
Deuteranopia (green-blind)
#4471C0
Tritanopia (blue-blind)
#008893
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4577c2; /* rgb */ color: rgb(69, 119, 194); /* oklch */ color: oklch(57.0% 0.128 258.3);
Tailwind
colors: {
custom: {
50: '#859dd5',
500: '#4577c2',
950: '#000000',
},
}SCSS
$custom: #4577c2; $custom-light: #859dd5; $custom-dark: #000000;
JSON
{
"hex": "#4577c2",
"rgb": {
"r": 69,
"g": 119,
"b": 194
},
"hsl": {
"h": 216,
"s": 50.607,
"l": 51.569
},
"oklch": {
"l": 0.57022,
"c": 0.12846,
"h": 258.3
},
"luminance": 0.18354
}Semantic roles & 50–950 ramp
primary
#4577C2
secondary
#CDB796
accent
#A24EDA
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83