#575ECF#575ECF
#575ECF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.8% C 0.172 H 276.3°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #575ECF |
|---|---|
| RGB | rgb(87, 94, 207) |
| HSL | hsl(237, 56%, 58%) |
| HSV | hsv(237, 58%, 81%) |
| CMYK | cmyk(58%, 54.6%, 0%, 18.8%) |
| CIE-LAB | lab(44.99, 30.44, -59.55) |
| CIE-LCH | lch(44.99, 66.88, 297.08°) |
| OKLab | oklab(53.78% 0.0188 -0.1707) |
| OKLCH | oklch(53.78% 0.172 276.3) |
| XYZ | xyz(19.1920, 14.5352, 60.8136) |
| Luminance | 0.1454 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.63
Warm Blue
#4B57DB
ΔE00 2.83
Iris
#6258C4
ΔE00 3.42
Slate Blue
#6A5ACD
ΔE00 3.87
Light Indigo
#6D5ACF
ΔE00 4.37
Royal Blue
#4169E1
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#575ECF #CFC857
analogous
#579ACF #575ECF #8C57CF
triadic
#575ECF #CF575E #5ECF57
tetradic
#575ECF #CF579A #CFC857 #57CF8C
square
#575ECF #CF579A #CFC857 #57CF8C
split-complementary
#575ECF #CF8C57 #9ACF57
monochromatic
#262C85 #343BB5 #575ECF #878CDD #B6B9EA
Accessibility & contrast
On white
5.37
#575ECF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#575ECF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #575ECF
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##575ECF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##575ECF | 1.00 | 5.37 | 3.91 | 5.37 |
| #FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0E70D3
Deuteranopia (green-blind)
#0066CD
Tritanopia (blue-blind)
#00788D
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #575ecf; /* rgb */ color: rgb(87, 94, 207); /* oklch */ color: oklch(53.8% 0.172 276.3);
Tailwind
colors: {
custom: {
50: '#918bde',
500: '#575ecf',
950: '#000000',
},
}SCSS
$custom: #575ecf; $custom-light: #918bde; $custom-dark: #000000;
JSON
{
"hex": "#575ecf",
"rgb": {
"r": 87,
"g": 94,
"b": 207
},
"hsl": {
"h": 236.5,
"s": 55.556,
"l": 57.647
},
"oklch": {
"l": 0.53779,
"c": 0.17173,
"h": 276.3
},
"luminance": 0.14537
}Semantic roles & 50–950 ramp
primary
#575ECF
secondary
#D9D6A9
accent
#D649DF
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0C15
muted
#7E7D83