#537FB2#537FB2
#537FB2 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.093 H 253.0°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #537FB2 |
|---|---|
| RGB | rgb(83, 127, 178) |
| HSL | hsl(212, 38%, 51%) |
| HSV | hsv(212, 53%, 70%) |
| CMYK | cmyk(53.4%, 28.7%, 0%, 30.2%) |
| CIE-LAB | lab(52.10, -0.20, -31.57) |
| CIE-LCH | lch(52.10, 31.57, 269.64°) |
| OKLab | oklab(58.64% -0.0272 -0.0886) |
| OKLCH | oklch(58.64% 0.093 253) |
| XYZ | xyz(19.1897, 20.2306, 45.0045) |
| Luminance | 0.2023 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Off Blue
#5684AE
ΔE00 2.54
Cool Blue
#4984B8
ΔE00 3.07
Steel Blue
#4682B4
ΔE00 3.13
Dusty Blue
#5A86AD
ΔE00 3.37
Windows Blue
#3778BF
ΔE00 3.84
Stormy Blue
#507B9C
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537FB2 #B28653
analogous
#53AEB2 #537FB2 #5653B2
triadic
#537FB2 #B2537F #7FB253
tetradic
#537FB2 #B253AE #B28653 #53B256
square
#537FB2 #B253AE #B28653 #53B256
split-complementary
#537FB2 #B25653 #AEB253
monochromatic
#2B4360 #3E618A #537FB2 #7D9EC5 #A8BED8
Accessibility & contrast
On white
4.16
#537FB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#537FB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537FB2
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537FB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537FB2 | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A81B4
Deuteranopia (green-blind)
#5E78B1
Tritanopia (blue-blind)
#1E8B91
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #537fb2; /* rgb */ color: rgb(83, 127, 178); /* oklch */ color: oklch(58.6% 0.093 253.0);
Tailwind
colors: {
custom: {
50: '#8aa3c9',
500: '#537fb2',
950: '#000000',
},
}SCSS
$custom: #537fb2; $custom-light: #8aa3c9; $custom-dark: #000000;
JSON
{
"hex": "#537fb2",
"rgb": {
"r": 83,
"g": 127,
"b": 178
},
"hsl": {
"h": 212.211,
"s": 38.153,
"l": 51.176
},
"oklch": {
"l": 0.58644,
"c": 0.09268,
"h": 253
},
"luminance": 0.20232
}Semantic roles & 50–950 ramp
primary
#537FB2
secondary
#C5B29B
accent
#985ACE
background
#F8FAFC
surface
#F0F3F8
border
#CBCDD1
text
#0C0F13
muted
#7D7F82