#575BBC#575BBC
#575BBC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.149 H 278.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #575BBC |
|---|---|
| RGB | rgb(87, 91, 188) |
| HSL | hsl(238, 43%, 54%) |
| HSV | hsv(238, 54%, 74%) |
| CMYK | cmyk(53.7%, 51.6%, 0%, 26.3%) |
| CIE-LAB | lab(42.97, 26.12, -51.82) |
| CIE-LCH | lch(42.97, 58.03, 296.75°) |
| OKLab | oklab(51.86% 0.0209 -0.148) |
| OKLCH | oklch(51.86% 0.149 278) |
| XYZ | xyz(16.7458, 13.1382, 49.2207) |
| Luminance | 0.1314 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.81
Dark Periwinkle
#665FD1
ΔE00 4.18
Slate Blue
#6A5ACD
ΔE00 4.44
Warm Blue
#4B57DB
ΔE00 4.60
Light Indigo
#6D5ACF
ΔE00 5.05
Dusky Blue
#475F94
ΔE00 7.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#575BBC #BCB857
analogous
#578EBC #575BBC #8657BC
triadic
#575BBC #BC575B #5BBC57
tetradic
#575BBC #BC578E #BCB857 #57BC86
square
#575BBC #BC578E #BCB857 #57BC86
split-complementary
#575BBC #BC8657 #8EBC57
monochromatic
#2C2E6D #3D4199 #575BBC #8386CD #AFB0DF
Accessibility & contrast
On white
5.79
#575BBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#575BBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #575BBC
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##575BBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##575BBC | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#286ABF
Deuteranopia (green-blind)
#1A62BA
Tritanopia (blue-blind)
#297183
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #575bbc; /* rgb */ color: rgb(87, 91, 188); /* oklch */ color: oklch(51.9% 0.149 278.0);
Tailwind
colors: {
custom: {
50: '#8e89d1',
500: '#575bbc',
950: '#000000',
},
}SCSS
$custom: #575bbc; $custom-light: #8e89d1; $custom-dark: #000000;
JSON
{
"hex": "#575bbc",
"rgb": {
"r": 87,
"g": 91,
"b": 188
},
"hsl": {
"h": 237.624,
"s": 42.979,
"l": 53.922
},
"oklch": {
"l": 0.51862,
"c": 0.14945,
"h": 278
},
"luminance": 0.13139
}Semantic roles & 50–950 ramp
primary
#575BBC
secondary
#CDCBA2
accent
#CE55D3
background
#F9F8FC
surface
#F1F0F9
border
#CBCBD2
text
#0D0B14
muted
#7E7C82