#536CBC#536CBC
#536CBC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.0% C 0.128 H 268.9°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).
Color values
| HEX | #536CBC |
|---|---|
| RGB | rgb(83, 108, 188) |
| HSL | hsl(226, 44%, 53%) |
| HSV | hsv(226, 56%, 74%) |
| CMYK | cmyk(55.9%, 42.6%, 0%, 26.3%) |
| CIE-LAB | lab(47.23, 14.62, -45.02) |
| CIE-LCH | lch(47.23, 47.34, 287.99°) |
| OKLab | oklab(55.03% -0.0026 -0.1279) |
| OKLCH | oklch(55.03% 0.128 268.9) |
| XYZ | xyz(18.0039, 16.1936, 49.7441) |
| Luminance | 0.1620 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.83
French Blue
#436BAD
ΔE00 3.86
Royal Blue
#4169E1
ΔE00 4.89
Medium Blue
#2C6FBB
ΔE00 6.70
Cadet Blue
#4E7496
ΔE00 6.77
Dull Blue
#49759C
ΔE00 6.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536CBC #BCA353
analogous
#53A0BC #536CBC #6E53BC
triadic
#536CBC #BC536C #6CBC53
tetradic
#536CBC #BC53A0 #BCA353 #53BC6E
square
#536CBC #BC53A0 #BCA353 #53BC6E
split-complementary
#536CBC #BC6E53 #A0BC53
monochromatic
#2A396B #3B5197 #536CBC #7F92CD #ABB7DE
Accessibility & contrast
On white
4.95
#536CBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.24
#536CBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536CBC
4.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536CBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536CBC | 1.00 | 4.95 | 4.24 | 4.95 |
| #FFFFFF | 4.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A75BF
Deuteranopia (green-blind)
#3D6CBA
Tritanopia (blue-blind)
#147E8B
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #536cbc; /* rgb */ color: rgb(83, 108, 188); /* oklch */ color: oklch(55.0% 0.128 268.9);
Tailwind
colors: {
custom: {
50: '#8b95d0',
500: '#536cbc',
950: '#000000',
},
}SCSS
$custom: #536cbc; $custom-light: #8b95d0; $custom-dark: #000000;
JSON
{
"hex": "#536cbc",
"rgb": {
"r": 83,
"g": 108,
"b": 188
},
"hsl": {
"h": 225.714,
"s": 43.933,
"l": 53.137
},
"oklch": {
"l": 0.55028,
"c": 0.12798,
"h": 268.9
},
"luminance": 0.16195
}Semantic roles & 50–950 ramp
primary
#536CBC
secondary
#CCC19F
accent
#B554D4
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0D0D14
muted
#7D7E82