#536FAB#536FAB
#536FAB is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.7% C 0.100 H 264.3°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #536FAB |
|---|---|
| RGB | rgb(83, 111, 171) |
| HSL | hsl(221, 35%, 50%) |
| HSV | hsv(221, 51%, 67%) |
| CMYK | cmyk(51.5%, 35.1%, 0%, 32.9%) |
| CIE-LAB | lab(47.17, 7.22, -35.24) |
| CIE-LCH | lch(47.17, 35.97, 281.57°) |
| OKLab | oklab(54.69% -0.0098 -0.0993) |
| OKLCH | oklch(54.69% 0.1 264.3) |
| XYZ | xyz(16.6000, 16.1470, 40.7621) |
| Luminance | 0.1615 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.97
Cornflower Blue
#5170D7
ΔE00 5.64
Cadet Blue
#4E7496
ΔE00 5.68
Dull Blue
#49759C
ΔE00 5.73
Flat Blue
#3C73A8
ΔE00 5.76
Medium Blue
#2C6FBB
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#536FAB #AB8F53
analogous
#539BAB #536FAB #6353AB
triadic
#536FAB #AB536F #6FAB53
tetradic
#536FAB #AB539B #AB8F53 #53AB63
square
#536FAB #AB539B #AB8F53 #53AB63
split-complementary
#536FAB #AB6353 #9BAB53
monochromatic
#2B3A59 #3F5482 #536FAB #7C91BF #A5B4D3
Accessibility & contrast
On white
4.97
#536FAB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.23
#536FAB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #536FAB
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##536FAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##536FAB | 1.00 | 4.97 | 4.23 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5874AD
Deuteranopia (green-blind)
#4E6CAA
Tritanopia (blue-blind)
#2A7C85
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #536fab; /* rgb */ color: rgb(83, 111, 171); /* oklch */ color: oklch(54.7% 0.100 264.3);
Tailwind
colors: {
custom: {
50: '#8998c4',
500: '#536fab',
950: '#000000',
},
}SCSS
$custom: #536fab; $custom-light: #8998c4; $custom-dark: #000000;
JSON
{
"hex": "#536fab",
"rgb": {
"r": 83,
"g": 111,
"b": 171
},
"hsl": {
"h": 220.909,
"s": 34.646,
"l": 49.804
},
"oklch": {
"l": 0.54688,
"c": 0.09982,
"h": 264.3
},
"luminance": 0.16148
}Semantic roles & 50–950 ramp
primary
#536FAB
secondary
#C1B499
accent
#A85DCB
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0D12
muted
#7D7E81