#536FBC#536FBC
#536FBC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.124 H 267.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #536FBC |
|---|---|
| RGB | rgb(83, 111, 188) |
| HSL | hsl(224, 44%, 53%) |
| HSV | hsv(224, 56%, 74%) |
| CMYK | cmyk(55.9%, 41%, 0%, 26.3%) |
| CIE-LAB | lab(48.05, 12.76, -43.71) |
| CIE-LCH | lch(48.05, 45.53, 286.27°) |
| OKLab | oklab(55.66% -0.006 -0.1241) |
| OKLCH | oklch(55.66% 0.124 267.3) |
| XYZ | xyz(18.3258, 16.8373, 49.8514) |
| Luminance | 0.1684 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.52
French Blue
#436BAD
ΔE00 3.75
Royal Blue
#4169E1
ΔE00 5.02
Medium Blue
#2C6FBB
ΔE00 6.15
Cadet Blue
#4E7496
ΔE00 6.38
Dull Blue
#49759C
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536FBC #BCA053
analogous
#53A3BC #536FBC #6B53BC
triadic
#536FBC #BC536F #6FBC53
tetradic
#536FBC #BC53A3 #BCA053 #53BC6B
square
#536FBC #BC53A3 #BCA053 #53BC6B
split-complementary
#536FBC #BC6B53 #A3BC53
monochromatic
#2A3B6B #3B5397 #536FBC #7F94CD #ABB9DE
Accessibility & contrast
On white
4.81
#536FBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#536FBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536FBC
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536FBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536FBC | 1.00 | 4.81 | 4.37 | 4.81 |
| #FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F77BF
Deuteranopia (green-blind)
#426EBA
Tritanopia (blue-blind)
#13808C
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #536fbc; /* rgb */ color: rgb(83, 111, 188); /* oklch */ color: oklch(55.7% 0.124 267.3);
Tailwind
colors: {
custom: {
50: '#8b98d0',
500: '#536fbc',
950: '#000000',
},
}SCSS
$custom: #536fbc; $custom-light: #8b98d0; $custom-dark: #000000;
JSON
{
"hex": "#536fbc",
"rgb": {
"r": 83,
"g": 111,
"b": 188
},
"hsl": {
"h": 224,
"s": 43.933,
"l": 53.137
},
"oklch": {
"l": 0.55664,
"c": 0.12421,
"h": 267.3
},
"luminance": 0.16839
}Semantic roles & 50–950 ramp
primary
#536FBC
secondary
#CCC09F
accent
#B254D4
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0D14
muted
#7D7E82