#575BC4#575BC4
#575BC4 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.161 H 277.7°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #575BC4 |
|---|---|
| RGB | rgb(87, 91, 196) |
| HSL | hsl(238, 48%, 55%) |
| HSV | hsv(238, 56%, 77%) |
| CMYK | cmyk(55.6%, 53.6%, 0%, 23.1%) |
| CIE-LAB | lab(43.50, 28.71, -55.62) |
| CIE-LCH | lch(43.50, 62.59, 297.30°) |
| OKLab | oklab(52.42% 0.0214 -0.1592) |
| OKLCH | oklch(52.42% 0.161 277.7) |
| XYZ | xyz(17.6322, 13.4927, 53.8891) |
| Luminance | 0.1349 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.46
Dark Periwinkle
#665FD1
ΔE00 3.37
Warm Blue
#4B57DB
ΔE00 3.52
Slate Blue
#6A5ACD
ΔE00 3.82
Light Indigo
#6D5ACF
ΔE00 4.42
Azul
#1D5DEC
ΔE00 6.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#575BC4 #C4C057
analogous
#5791C4 #575BC4 #8957C4
triadic
#575BC4 #C4575B #5BC457
tetradic
#575BC4 #C45791 #C4C057 #57C489
square
#575BC4 #C45791 #C4C057 #57C489
split-complementary
#575BC4 #C48957 #91C457
monochromatic
#2A2D77 #3A3EA4 #575BC4 #8487D4 #B2B3E4
Accessibility & contrast
On white
5.68
#575BC4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.70
#575BC4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #575BC4
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##575BC4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##575BC4 | 1.00 | 5.68 | 3.70 | 5.68 |
| #FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C6BC8
Deuteranopia (green-blind)
#0062C2
Tritanopia (blue-blind)
#1E7387
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #575bc4; /* rgb */ color: rgb(87, 91, 196); /* oklch */ color: oklch(52.4% 0.161 277.7);
Tailwind
colors: {
custom: {
50: '#8f89d6',
500: '#575bc4',
950: '#000000',
},
}SCSS
$custom: #575bc4; $custom-light: #8f89d6; $custom-dark: #000000;
JSON
{
"hex": "#575bc4",
"rgb": {
"r": 87,
"g": 91,
"b": 196
},
"hsl": {
"h": 237.798,
"s": 48.018,
"l": 55.49
},
"oklch": {
"l": 0.52424,
"c": 0.1606,
"h": 277.7
},
"luminance": 0.13494
}Semantic roles & 50–950 ramp
primary
#575BC4
secondary
#D2D0A5
accent
#D350D8
background
#F9F8FD
surface
#F2F0FA
border
#CCCBD3
text
#0D0B14
muted
#7E7C83