#576CE3#576CE3
#576CE3 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.9% C 0.181 H 272.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #576CE3 |
|---|---|
| RGB | rgb(87, 108, 227) |
| HSL | hsl(231, 71%, 62%) |
| HSV | hsv(231, 62%, 89%) |
| CMYK | cmyk(61.7%, 52.4%, 0%, 11%) |
| CIE-LAB | lab(49.85, 28.42, -63.07) |
| CIE-LCH | lch(49.85, 69.18, 294.26°) |
| OKLab | oklab(57.85% 0.0064 -0.1809) |
| OKLCH | oklch(57.85% 0.181 272) |
| XYZ | xyz(23.1535, 18.2955, 74.9694) |
| Luminance | 0.1830 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.65
Royal Blue
#4169E1
ΔE00 3.00
Bright Blue
#0165FC
ΔE00 5.43
Cornflower
#6A79F7
ΔE00 5.61
Dark Periwinkle
#665FD1
ΔE00 5.96
Azul
#1D5DEC
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576CE3 #E3CE57
analogous
#57B2E3 #576CE3 #8857E3
triadic
#576CE3 #E3576C #6CE357
tetradic
#576CE3 #E357B2 #E3CE57 #57E388
square
#576CE3 #E357B2 #E3CE57 #57E388
split-complementary
#576CE3 #E38857 #B2E357
monochromatic
#1B30A4 #243FD9 #576CE3 #8B9AEC #C0C8F4
Accessibility & contrast
On white
4.51
#576CE3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.66
#576CE3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #576CE3
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576CE3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##576CE3 | 1.00 | 4.51 | 4.66 | 4.66 |
| #FFFFFF | 4.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#217DE7
Deuteranopia (green-blind)
#0071E1
Tritanopia (blue-blind)
#00889D
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #576ce3; /* rgb */ color: rgb(87, 108, 227); /* oklch */ color: oklch(57.9% 0.181 272.0);
Tailwind
colors: {
custom: {
50: '#9395ed',
500: '#576ce3',
950: '#000000',
},
}SCSS
$custom: #576ce3; $custom-light: #9395ed; $custom-dark: #000000;
JSON
{
"hex": "#576ce3",
"rgb": {
"r": 87,
"g": 108,
"b": 227
},
"hsl": {
"h": 231,
"s": 71.429,
"l": 61.569
},
"oklch": {
"l": 0.57854,
"c": 0.18101,
"h": 272
},
"luminance": 0.18297
}Semantic roles & 50–950 ramp
primary
#576CE3
secondary
#E5DDB1
accent
#B612D3
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84