#575FBB#575FBB
#575FBB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.6% C 0.143 H 276.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).
Color values
| HEX | #575FBB |
|---|---|
| RGB | rgb(87, 95, 187) |
| HSL | hsl(235, 42%, 54%) |
| HSV | hsv(235, 53%, 73%) |
| CMYK | cmyk(53.5%, 49.2%, 0%, 26.7%) |
| CIE-LAB | lab(43.94, 23.29, -49.68) |
| CIE-LCH | lch(43.94, 54.87, 295.12°) |
| OKLab | oklab(52.57% 0.0163 -0.1417) |
| OKLCH | oklch(52.57% 0.143 276.6) |
| XYZ | xyz(16.9895, 13.7974, 48.7720) |
| Luminance | 0.1380 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 3.84
Dark Periwinkle
#665FD1
ΔE00 4.35
Slate Blue
#6A5ACD
ΔE00 5.10
Warm Blue
#4B57DB
ΔE00 5.18
Light Indigo
#6D5ACF
ΔE00 5.68
Dusky Blue
#475F94
ΔE00 6.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#575FBB #BBB357
analogous
#5791BB #575FBB #8157BB
triadic
#575FBB #BB575F #5FBB57
tetradic
#575FBB #BB5791 #BBB357 #57BB81
square
#575FBB #BB5791 #BBB357 #57BB81
split-complementary
#575FBB #BB8157 #91BB57
monochromatic
#2C316C #3D4597 #575FBB #8388CD #AEB2DE
Accessibility & contrast
On white
5.59
#575FBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.76
#575FBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #575FBB
5.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##575FBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##575FBB | 1.00 | 5.59 | 3.76 | 5.59 |
| #FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#336CBE
Deuteranopia (green-blind)
#2764B9
Tritanopia (blue-blind)
#297384
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #575fbb; /* rgb */ color: rgb(87, 95, 187); /* oklch */ color: oklch(52.6% 0.143 276.6);
Tailwind
colors: {
custom: {
50: '#8e8cd0',
500: '#575fbb',
950: '#000000',
},
}SCSS
$custom: #575fbb; $custom-light: #8e8cd0; $custom-dark: #000000;
JSON
{
"hex": "#575fbb",
"rgb": {
"r": 87,
"g": 95,
"b": 187
},
"hsl": {
"h": 235.2,
"s": 42.373,
"l": 53.725
},
"oklch": {
"l": 0.52573,
"c": 0.1426,
"h": 276.6
},
"luminance": 0.13799
}Semantic roles & 50–950 ramp
primary
#575FBB
secondary
#CCC9A2
accent
#C856D2
background
#F9F8FC
surface
#F1F0F9
border
#CBCBD2
text
#0D0C14
muted
#7E7D82