#536BCF#536BCF
#536BCF is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.156 H 270.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #536BCF |
|---|---|
| RGB | rgb(83, 107, 207) |
| HSL | hsl(228, 56%, 57%) |
| HSV | hsv(228, 60%, 81%) |
| CMYK | cmyk(59.9%, 48.3%, 0%, 18.8%) |
| CIE-LAB | lab(48.08, 21.60, -54.58) |
| CIE-LCH | lch(48.08, 58.70, 291.59°) |
| OKLab | oklab(56.04% 0.0014 -0.156) |
| OKLCH | oklch(56.04% 0.156 270.5) |
| XYZ | xyz(20.0837, 16.8578, 61.2149) |
| Luminance | 0.1686 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.15
Royal Blue
#4169E1
ΔE00 2.83
French Blue
#436BAD
ΔE00 5.73
Dark Periwinkle
#665FD1
ΔE00 6.01
Bright Blue
#0165FC
ΔE00 6.15
Azul
#1D5DEC
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536BCF #CFB753
analogous
#53A9CF #536BCF #7953CF
triadic
#536BCF #CF536B #6BCF53
tetradic
#536BCF #CF53A9 #CFB753 #53CF79
square
#536BCF #CF53A9 #CFB753 #53CF79
split-complementary
#536BCF #CF7953 #A9CF53
monochromatic
#253783 #324BB3 #536BCF #8394DC #B3BDEA
Accessibility & contrast
On white
4.80
#536BCF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#536BCF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536BCF
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536BCF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536BCF | 1.00 | 4.80 | 4.37 | 4.80 |
| #FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3878D3
Deuteranopia (green-blind)
#226DCD
Tritanopia (blue-blind)
#008293
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #536bcf; /* rgb */ color: rgb(83, 107, 207); /* oklch */ color: oklch(56.0% 0.156 270.5);
Tailwind
colors: {
custom: {
50: '#8e95de',
500: '#536bcf',
950: '#000000',
},
}SCSS
$custom: #536bcf; $custom-light: #8e95de; $custom-dark: #000000;
JSON
{
"hex": "#536bcf",
"rgb": {
"r": 83,
"g": 107,
"b": 207
},
"hsl": {
"h": 228.387,
"s": 56.364,
"l": 56.863
},
"oklch": {
"l": 0.56042,
"c": 0.15605,
"h": 270.5
},
"luminance": 0.16859
}Semantic roles & 50–950 ramp
primary
#536BCF
secondary
#D8CEA6
accent
#C248E0
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0D0D15
muted
#7E7E83