#575BBF#575BBF
#575BBF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.154 H 277.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).
Color values
| HEX | #575BBF |
|---|---|
| RGB | rgb(87, 91, 191) |
| HSL | hsl(238, 45%, 55%) |
| HSV | hsv(238, 54%, 75%) |
| CMYK | cmyk(54.5%, 52.4%, 0%, 25.1%) |
| CIE-LAB | lab(43.17, 27.09, -53.25) |
| CIE-LCH | lch(43.17, 59.75, 296.96°) |
| OKLab | oklab(52.07% 0.0211 -0.1522) |
| OKLCH | oklch(52.07% 0.154 277.9) |
| XYZ | xyz(17.0726, 13.2689, 50.9416) |
| Luminance | 0.1327 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.62
Dark Periwinkle
#665FD1
ΔE00 3.85
Slate Blue
#6A5ACD
ΔE00 4.17
Warm Blue
#4B57DB
ΔE00 4.18
Light Indigo
#6D5ACF
ΔE00 4.79
Azul
#1D5DEC
ΔE00 7.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#575BBF #BFBB57
analogous
#578FBF #575BBF #8757BF
triadic
#575BBF #BF575B #5BBF57
tetradic
#575BBF #BF578F #BFBB57 #57BF87
square
#575BBF #BF578F #BFBB57 #57BF87
split-complementary
#575BBF #BF8757 #8FBF57
monochromatic
#2B2E71 #3C409D #575BBF #8386D0 #B0B2E1
Accessibility & contrast
On white
5.75
#575BBF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#575BBF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #575BBF
5.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##575BBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##575BBF | 1.00 | 5.75 | 3.65 | 5.75 |
| #FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#246AC3
Deuteranopia (green-blind)
#1262BD
Tritanopia (blue-blind)
#257284
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #575bbf; /* rgb */ color: rgb(87, 91, 191); /* oklch */ color: oklch(52.1% 0.154 277.9);
Tailwind
colors: {
custom: {
50: '#8e89d3',
500: '#575bbf',
950: '#000000',
},
}SCSS
$custom: #575bbf; $custom-light: #8e89d3; $custom-dark: #000000;
JSON
{
"hex": "#575bbf",
"rgb": {
"r": 87,
"g": 91,
"b": 191
},
"hsl": {
"h": 237.692,
"s": 44.828,
"l": 54.51
},
"oklch": {
"l": 0.52071,
"c": 0.15366,
"h": 277.9
},
"luminance": 0.1327
}Semantic roles & 50–950 ramp
primary
#575BBF
secondary
#CFCDA3
accent
#D053D5
background
#F9F8FD
surface
#F1F0FA
border
#CBCBD3
text
#0D0B14
muted
#7E7C83