#525BB3#525BB3
#525BB3 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.9% C 0.138 H 276.0°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #525BB3 |
|---|---|
| RGB | rgb(82, 91, 179) |
| HSL | hsl(234, 39%, 51%) |
| HSV | hsv(234, 54%, 70%) |
| CMYK | cmyk(54.2%, 49.2%, 0%, 29.8%) |
| CIE-LAB | lab(42.05, 22.12, -48.06) |
| CIE-LCH | lch(42.05, 52.91, 294.71°) |
| OKLab | oklab(50.89% 0.0143 -0.1371) |
| OKLCH | oklch(50.89% 0.138 276) |
| XYZ | xyz(15.3549, 12.5297, 44.2484) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.38
Dusky Blue
#475F94
ΔE00 5.76
Warm Blue
#4B57DB
ΔE00 5.76
Dark Periwinkle
#665FD1
ΔE00 5.78
Slate Blue
#6A5ACD
ΔE00 6.08
Light Indigo
#6D5ACF
ΔE00 6.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#525BB3 #B3AA52
analogous
#528BB3 #525BB3 #7952B3
triadic
#525BB3 #B3525B #5BB352
tetradic
#525BB3 #B3528B #B3AA52 #52B379
square
#525BB3 #B3528B #B3AA52 #52B379
split-complementary
#525BB3 #B37952 #8BB352
monochromatic
#2A2F60 #3D448B #525BB3 #7D83C6 #A7ACD8
Accessibility & contrast
On white
5.99
#525BB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#525BB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #525BB3
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##525BB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##525BB3 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3167B6
Deuteranopia (green-blind)
#255FB1
Tritanopia (blue-blind)
#246E7E
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #525bb3; /* rgb */ color: rgb(82, 91, 179); /* oklch */ color: oklch(50.9% 0.138 276.0);
Tailwind
colors: {
custom: {
50: '#8a89ca',
500: '#525bb3',
950: '#000000',
},
}SCSS
$custom: #525bb3; $custom-light: #8a89ca; $custom-dark: #000000;
JSON
{
"hex": "#525bb3",
"rgb": {
"r": 82,
"g": 91,
"b": 179
},
"hsl": {
"h": 234.433,
"s": 38.956,
"l": 51.176
},
"oklch": {
"l": 0.5089,
"c": 0.13781,
"h": 276
},
"luminance": 0.12531
}Semantic roles & 50–950 ramp
primary
#525BB3
secondary
#C6C29B
accent
#C459CF
background
#F8F8FC
surface
#F0F0F8
border
#CBCBD1
text
#0C0B13
muted
#7D7C82