#525FBB#525FBB
#525FBB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.2% C 0.144 H 274.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).
Color values
| HEX | #525FBB |
|---|---|
| RGB | rgb(82, 95, 187) |
| HSL | hsl(233, 44%, 53%) |
| HSV | hsv(233, 56%, 73%) |
| CMYK | cmyk(56.1%, 49.2%, 0%, 26.7%) |
| CIE-LAB | lab(43.60, 22.23, -50.24) |
| CIE-LCH | lch(43.60, 54.94, 293.87°) |
| OKLab | oklab(52.23% 0.0107 -0.1434) |
| OKLCH | oklch(52.23% 0.144 274.3) |
| XYZ | xyz(16.5386, 13.5649, 48.7509) |
| Luminance | 0.1357 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.58
Dark Periwinkle
#665FD1
ΔE00 5.01
Warm Blue
#4B57DB
ΔE00 5.10
Slate Blue
#6A5ACD
ΔE00 5.88
Dusky Blue
#475F94
ΔE00 6.19
Light Indigo
#6D5ACF
ΔE00 6.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#525FBB #BBAE52
analogous
#5294BB #525FBB #7952BB
triadic
#525FBB #BB525F #5FBB52
tetradic
#525FBB #BB5294 #BBAE52 #52BB79
square
#525FBB #BB5294 #BBAE52 #52BB79
split-complementary
#525FBB #BB7952 #94BB52
monochromatic
#293169 #3B4695 #525FBB #7E88CC #AAB0DE
Accessibility & contrast
On white
5.66
#525FBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.71
#525FBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #525FBB
5.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##525FBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##525FBB | 1.00 | 5.66 | 3.71 | 5.66 |
| #FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#326CBE
Deuteranopia (green-blind)
#2263B9
Tritanopia (blue-blind)
#177484
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #525fbb; /* rgb */ color: rgb(82, 95, 187); /* oklch */ color: oklch(52.2% 0.144 274.3);
Tailwind
colors: {
custom: {
50: '#8b8cd0',
500: '#525fbb',
950: '#000000',
},
}SCSS
$custom: #525fbb; $custom-light: #8b8cd0; $custom-dark: #000000;
JSON
{
"hex": "#525fbb",
"rgb": {
"r": 82,
"g": 95,
"b": 187
},
"hsl": {
"h": 232.571,
"s": 43.568,
"l": 52.745
},
"oklch": {
"l": 0.52229,
"c": 0.14383,
"h": 274.3
},
"luminance": 0.13566
}Semantic roles & 50–950 ramp
primary
#525FBB
secondary
#CBC69E
accent
#C454D3
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0D0C14
muted
#7D7D82