#577CE6#577CE6
#577CE6 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.165 H 267.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).
Color values
| HEX | #577CE6 |
|---|---|
| RGB | rgb(87, 124, 230) |
| HSL | hsl(224, 74%, 62%) |
| HSV | hsv(224, 62%, 90%) |
| CMYK | cmyk(62.2%, 46.1%, 0%, 9.8%) |
| CIE-LAB | lab(54.19, 19.59, -57.77) |
| CIE-LCH | lch(54.19, 61.01, 288.73°) |
| OKLab | oklab(61.2% -0.0087 -0.1651) |
| OKLCH | oklch(61.2% 0.165 267) |
| XYZ | xyz(25.4162, 22.1525, 77.7840) |
| Luminance | 0.2215 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 3.04
Soft Blue
#6488EA
ΔE00 3.96
Dodger Blue
#3E82FC
ΔE00 4.12
Clear Blue
#247AFD
ΔE00 4.27
Cornflower
#6A79F7
ΔE00 4.47
Cornflower Blue
#5170D7
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577CE6 #E6C157
analogous
#57C3E6 #577CE6 #7A57E6
triadic
#577CE6 #E6577C #7CE657
tetradic
#577CE6 #E657C3 #E6C157 #57E67A
square
#577CE6 #E657C3 #E6C157 #57E67A
split-complementary
#577CE6 #E67A57 #C3E657
monochromatic
#193FA9 #2252DE #577CE6 #8CA6EE #C2CFF6
Accessibility & contrast
On white
3.87
#577CE6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.43
#577CE6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577CE6
5.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577CE6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577CE6 | 1.00 | 3.87 | 5.43 | 5.43 |
| #FFFFFF | 3.87 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.43 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.43 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4888EA
Deuteranopia (green-blind)
#2F7BE4
Tritanopia (blue-blind)
#0094A6
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #577ce6; /* rgb */ color: rgb(87, 124, 230); /* oklch */ color: oklch(61.2% 0.165 267.0);
Tailwind
colors: {
custom: {
50: '#93a1ee',
500: '#577ce6',
950: '#000000',
},
}SCSS
$custom: #577ce6; $custom-light: #93a1ee; $custom-dark: #000000;
JSON
{
"hex": "#577ce6",
"rgb": {
"r": 87,
"g": 124,
"b": 230
},
"hsl": {
"h": 224.476,
"s": 74.093,
"l": 62.157
},
"oklch": {
"l": 0.61203,
"c": 0.16536,
"h": 267
},
"luminance": 0.22155
}Semantic roles & 50–950 ramp
primary
#577CE6
secondary
#E7D9B2
accent
#A30FD6
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E16
muted
#7E7E84