#536FBA#536FBA
#536FBA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.121 H 267.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #536FBA |
|---|---|
| RGB | rgb(83, 111, 186) |
| HSL | hsl(224, 43%, 53%) |
| HSV | hsv(224, 55%, 73%) |
| CMYK | cmyk(55.4%, 40.3%, 0%, 27.1%) |
| CIE-LAB | lab(47.95, 12.10, -42.73) |
| CIE-LCH | lch(47.95, 44.40, 285.81°) |
| OKLab | oklab(55.55% -0.0064 -0.1212) |
| OKLCH | oklch(55.55% 0.121 267) |
| XYZ | xyz(18.1117, 16.7517, 48.7238) |
| Luminance | 0.1675 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.59
Cornflower Blue
#5170D7
ΔE00 3.77
Royal Blue
#4169E1
ΔE00 5.23
Medium Blue
#2C6FBB
ΔE00 6.09
Cadet Blue
#4E7496
ΔE00 6.29
Dull Blue
#49759C
ΔE00 6.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536FBA #BA9E53
analogous
#53A3BA #536FBA #6A53BA
triadic
#536FBA #BA536F #6FBA53
tetradic
#536FBA #BA53A3 #BA9E53 #53BA6A
square
#536FBA #BA53A3 #BA9E53 #53BA6A
split-complementary
#536FBA #BA6A53 #A3BA53
monochromatic
#2A3B69 #3B5494 #536FBA #7F94CC #AAB8DD
Accessibility & contrast
On white
4.83
#536FBA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.35
#536FBA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536FBA
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536FBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536FBA | 1.00 | 4.83 | 4.35 | 4.83 |
| #FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5077BD
Deuteranopia (green-blind)
#436DB8
Tritanopia (blue-blind)
#177F8B
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #536fba; /* rgb */ color: rgb(83, 111, 186); /* oklch */ color: oklch(55.5% 0.121 267.0);
Tailwind
colors: {
custom: {
50: '#8b98cf',
500: '#536fba',
950: '#000000',
},
}SCSS
$custom: #536fba; $custom-light: #8b98cf; $custom-dark: #000000;
JSON
{
"hex": "#536fba",
"rgb": {
"r": 83,
"g": 111,
"b": 186
},
"hsl": {
"h": 223.689,
"s": 42.739,
"l": 52.745
},
"oklch": {
"l": 0.55545,
"c": 0.12136,
"h": 267
},
"luminance": 0.16753
}Semantic roles & 50–950 ramp
primary
#536FBA
secondary
#CBBF9E
accent
#B055D3
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0D14
muted
#7D7E82