#537CB2#537CB2
#537CB2 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.096 H 255.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).
Color values
| HEX | #537CB2 |
|---|---|
| RGB | rgb(83, 124, 178) |
| HSL | hsl(214, 38%, 51%) |
| HSV | hsv(214, 53%, 70%) |
| CMYK | cmyk(53.4%, 30.3%, 0%, 30.2%) |
| CIE-LAB | lab(51.23, 1.58, -32.93) |
| CIE-LCH | lch(51.23, 32.97, 272.75°) |
| OKLab | oklab(57.96% -0.0236 -0.0925) |
| OKLCH | oklch(57.96% 0.096 255.7) |
| XYZ | xyz(18.8080, 19.4672, 44.8773) |
| Luminance | 0.1947 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.68
Off Blue
#5684AE
ΔE00 3.76
Steel Blue
#4682B4
ΔE00 4.26
Cool Blue
#4984B8
ΔE00 4.30
Dusty Blue
#5A86AD
ΔE00 4.54
Dull Blue
#49759C
ΔE00 4.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537CB2 #B28953
analogous
#53ACB2 #537CB2 #5953B2
triadic
#537CB2 #B2537C #7CB253
tetradic
#537CB2 #B253AC #B28953 #53B259
square
#537CB2 #B253AC #B28953 #53B259
split-complementary
#537CB2 #B25953 #ACB253
monochromatic
#2B4260 #3E5F8A #537CB2 #7D9CC5 #A8BCD8
Accessibility & contrast
On white
4.29
#537CB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.89
#537CB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537CB2
4.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537CB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537CB2 | 1.00 | 4.29 | 4.89 | 4.89 |
| #FFFFFF | 4.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#667FB4
Deuteranopia (green-blind)
#5B76B1
Tritanopia (blue-blind)
#1F888F
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #537cb2; /* rgb */ color: rgb(83, 124, 178); /* oklch */ color: oklch(58.0% 0.096 255.7);
Tailwind
colors: {
custom: {
50: '#89a1c9',
500: '#537cb2',
950: '#000000',
},
}SCSS
$custom: #537cb2; $custom-light: #89a1c9; $custom-dark: #000000;
JSON
{
"hex": "#537cb2",
"rgb": {
"r": 83,
"g": 124,
"b": 178
},
"hsl": {
"h": 214.105,
"s": 38.153,
"l": 51.176
},
"oklch": {
"l": 0.57964,
"c": 0.09551,
"h": 255.7
},
"luminance": 0.19469
}Semantic roles & 50–950 ramp
primary
#537CB2
secondary
#C5B39B
accent
#9C5ACE
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0F13
muted
#7D7E82