#536DB3#536DB3
#536DB3 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.7% C 0.114 H 267.2°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #536DB3 |
|---|---|
| RGB | rgb(83, 109, 179) |
| HSL | hsl(224, 39%, 51%) |
| HSV | hsv(224, 54%, 70%) |
| CMYK | cmyk(53.6%, 39.1%, 0%, 29.8%) |
| CIE-LAB | lab(47.01, 11.04, -40.14) |
| CIE-LCH | lch(47.01, 41.63, 285.38°) |
| OKLab | oklab(54.7% -0.0055 -0.1136) |
| OKLCH | oklch(54.7% 0.114 267.2) |
| XYZ | xyz(17.1699, 16.0297, 44.8284) |
| Luminance | 0.1603 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.22
Cornflower Blue
#5170D7
ΔE00 4.84
Royal Blue
#4169E1
ΔE00 5.96
Cadet Blue
#4E7496
ΔE00 6.32
Dusky Blue
#475F94
ΔE00 6.33
Medium Blue
#2C6FBB
ΔE00 6.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536DB3 #B39953
analogous
#539DB3 #536DB3 #6953B3
triadic
#536DB3 #B3536D #6DB353
tetradic
#536DB3 #B3539D #B39953 #53B369
square
#536DB3 #B3539D #B39953 #53B369
split-complementary
#536DB3 #B36953 #9DB353
monochromatic
#2B3961 #3E538B #536DB3 #7D91C6 #A8B5D9
Accessibility & contrast
On white
4.99
#536DB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#536DB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536DB3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536DB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536DB3 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5174B6
Deuteranopia (green-blind)
#466BB1
Tritanopia (blue-blind)
#227C87
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #536db3; /* rgb */ color: rgb(83, 109, 179); /* oklch */ color: oklch(54.7% 0.114 267.2);
Tailwind
colors: {
custom: {
50: '#8a96ca',
500: '#536db3',
950: '#000000',
},
}SCSS
$custom: #536db3; $custom-light: #8a96ca; $custom-dark: #000000;
JSON
{
"hex": "#536db3",
"rgb": {
"r": 83,
"g": 109,
"b": 179
},
"hsl": {
"h": 223.75,
"s": 38.71,
"l": 51.373
},
"oklch": {
"l": 0.54704,
"c": 0.11378,
"h": 267.2
},
"luminance": 0.16031
}Semantic roles & 50–950 ramp
primary
#536DB3
secondary
#C6BB9C
accent
#AF59CF
background
#F8F9FC
surface
#F0F1F8
border
#CBCBD1
text
#0C0D13
muted
#7D7E82