#536CB9#536CB9
#536CB9 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.8% C 0.124 H 268.6°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).
Color values
| HEX | #536CB9 |
|---|---|
| RGB | rgb(83, 108, 185) |
| HSL | hsl(225, 42%, 53%) |
| HSV | hsv(225, 55%, 73%) |
| CMYK | cmyk(55.1%, 41.6%, 0%, 27.5%) |
| CIE-LAB | lab(47.06, 13.63, -43.55) |
| CIE-LCH | lch(47.06, 45.63, 287.38°) |
| OKLab | oklab(54.85% -0.0031 -0.1236) |
| OKLCH | oklch(54.85% 0.124 268.6) |
| XYZ | xyz(17.6839, 16.0656, 48.0586) |
| Luminance | 0.1607 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.64
Cornflower Blue
#5170D7
ΔE00 4.21
Royal Blue
#4169E1
ΔE00 5.25
Medium Blue
#2C6FBB
ΔE00 6.63
Cadet Blue
#4E7496
ΔE00 6.67
Dusky Blue
#475F94
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536CB9 #B9A053
analogous
#539FB9 #536CB9 #6D53B9
triadic
#536CB9 #B9536C #6CB953
tetradic
#536CB9 #B9539F #B9A053 #53B96D
square
#536CB9 #B9539F #B9A053 #53B96D
split-complementary
#536CB9 #B96D53 #9FB953
monochromatic
#2A3967 #3C5193 #536CB9 #7E91CB #AAB6DC
Accessibility & contrast
On white
4.98
#536CB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#536CB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536CB9
4.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536CB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536CB9 | 1.00 | 4.98 | 4.21 | 4.98 |
| #FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C74BC
Deuteranopia (green-blind)
#3F6BB7
Tritanopia (blue-blind)
#1A7D89
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #536cb9; /* rgb */ color: rgb(83, 108, 185); /* oklch */ color: oklch(54.8% 0.124 268.6);
Tailwind
colors: {
custom: {
50: '#8b95ce',
500: '#536cb9',
950: '#000000',
},
}SCSS
$custom: #536cb9; $custom-light: #8b95ce; $custom-dark: #000000;
JSON
{
"hex": "#536cb9",
"rgb": {
"r": 83,
"g": 108,
"b": 185
},
"hsl": {
"h": 225.294,
"s": 42.149,
"l": 52.549
},
"oklch": {
"l": 0.54846,
"c": 0.12368,
"h": 268.6
},
"luminance": 0.16067
}Semantic roles & 50–950 ramp
primary
#536CB9
secondary
#CABF9E
accent
#B456D2
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0C0D14
muted
#7D7E82