#536CB3#536CB3
#536CB3 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.5% C 0.115 H 267.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).
Color values
| HEX | #536CB3 |
|---|---|
| RGB | rgb(83, 108, 179) |
| HSL | hsl(224, 39%, 51%) |
| HSV | hsv(224, 54%, 70%) |
| CMYK | cmyk(53.6%, 39.7%, 0%, 29.8%) |
| CIE-LAB | lab(46.73, 11.66, -40.58) |
| CIE-LCH | lch(46.73, 42.23, 286.03°) |
| OKLab | oklab(54.49% -0.0043 -0.1149) |
| OKLCH | oklch(54.49% 0.115 267.8) |
| XYZ | xyz(17.0638, 15.8176, 44.7930) |
| Luminance | 0.1582 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.32
Cornflower Blue
#5170D7
ΔE00 4.96
Royal Blue
#4169E1
ΔE00 5.97
Dusky Blue
#475F94
ΔE00 6.11
Cadet Blue
#4E7496
ΔE00 6.50
Medium Blue
#2C6FBB
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536CB3 #B39A53
analogous
#539CB3 #536CB3 #6A53B3
triadic
#536CB3 #B3536C #6CB353
tetradic
#536CB3 #B3539C #B39A53 #53B36A
square
#536CB3 #B3539C #B39A53 #53B36A
split-complementary
#536CB3 #B36A53 #9CB353
monochromatic
#2B3961 #3E528B #536CB3 #7D90C6 #A8B5D9
Accessibility & contrast
On white
5.04
#536CB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.16
#536CB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536CB3
5.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536CB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536CB3 | 1.00 | 5.04 | 4.16 | 5.04 |
| #FFFFFF | 5.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F73B6
Deuteranopia (green-blind)
#446BB1
Tritanopia (blue-blind)
#237B87
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #536cb3; /* rgb */ color: rgb(83, 108, 179); /* oklch */ color: oklch(54.5% 0.115 267.8);
Tailwind
colors: {
custom: {
50: '#8a95ca',
500: '#536cb3',
950: '#000000',
},
}SCSS
$custom: #536cb3; $custom-light: #8a95ca; $custom-dark: #000000;
JSON
{
"hex": "#536cb3",
"rgb": {
"r": 83,
"g": 108,
"b": 179
},
"hsl": {
"h": 224.375,
"s": 38.71,
"l": 51.373
},
"oklch": {
"l": 0.54488,
"c": 0.11503,
"h": 267.8
},
"luminance": 0.15819
}Semantic roles & 50–950 ramp
primary
#536CB3
secondary
#C6BB9C
accent
#B059CF
background
#F8F9FC
surface
#F0F1F8
border
#CBCBD1
text
#0C0D13
muted
#7D7E82