#576BC1#576BC1
#576BC1 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.135 H 271.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #576BC1 |
|---|---|
| RGB | rgb(87, 107, 193) |
| HSL | hsl(229, 46%, 55%) |
| HSV | hsv(229, 55%, 76%) |
| CMYK | cmyk(54.9%, 44.6%, 0%, 24.3%) |
| CIE-LAB | lab(47.48, 17.75, -47.49) |
| CIE-LCH | lch(47.48, 50.70, 290.49°) |
| OKLab | oklab(55.38% 0.0036 -0.1351) |
| OKLCH | oklch(55.38% 0.135 271.5) |
| XYZ | xyz(18.8107, 16.3905, 52.6142) |
| Luminance | 0.1639 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.62
Royal Blue
#4169E1
ΔE00 4.66
French Blue
#436BAD
ΔE00 5.03
Dark Periwinkle
#665FD1
ΔE00 6.20
Warm Blue
#4B57DB
ΔE00 7.43
Cadet Blue
#4E7496
ΔE00 7.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576BC1 #C1AD57
analogous
#57A0C1 #576BC1 #7857C1
triadic
#576BC1 #C1576B #6BC157
tetradic
#576BC1 #C157A0 #C1AD57 #57C178
square
#576BC1 #C157A0 #C1AD57 #57C178
split-complementary
#576BC1 #C17857 #A0C157
monochromatic
#2A3873 #3B4EA0 #576BC1 #8492D1 #B0BAE2
Accessibility & contrast
On white
4.91
#576BC1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#576BC1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576BC1
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576BC1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576BC1 | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4575C4
Deuteranopia (green-blind)
#386CBF
Tritanopia (blue-blind)
#1E7E8C
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #576bc1; /* rgb */ color: rgb(87, 107, 193); /* oklch */ color: oklch(55.4% 0.135 271.5);
Tailwind
colors: {
custom: {
50: '#8e95d4',
500: '#576bc1',
950: '#000000',
},
}SCSS
$custom: #576bc1; $custom-light: #8e95d4; $custom-dark: #000000;
JSON
{
"hex": "#576bc1",
"rgb": {
"r": 87,
"g": 107,
"b": 193
},
"hsl": {
"h": 228.679,
"s": 46.087,
"l": 54.902
},
"oklch": {
"l": 0.5538,
"c": 0.13516,
"h": 271.5
},
"luminance": 0.16392
}Semantic roles & 50–950 ramp
primary
#576BC1
secondary
#D0C8A4
accent
#BD52D6
background
#F9F9FD
surface
#F1F1FA
border
#CBCBD3
text
#0D0D14
muted
#7E7E83