#537EBA#537EBA
#537EBA is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.8% C 0.104 H 256.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #537EBA |
|---|---|
| RGB | rgb(83, 126, 186) |
| HSL | hsl(215, 43%, 53%) |
| HSV | hsv(215, 55%, 73%) |
| CMYK | cmyk(55.4%, 32.3%, 0%, 27.1%) |
| CIE-LAB | lab(52.18, 2.96, -36.04) |
| CIE-LCH | lch(52.18, 36.16, 274.70°) |
| OKLab | oklab(58.83% -0.0236 -0.1016) |
| OKLCH | oklch(58.83% 0.104 256.9) |
| XYZ | xyz(19.8880, 20.3043, 49.3159) |
| Luminance | 0.2031 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Off Blue
#5684AE
ΔE00 3.62
Windows Blue
#3778BF
ΔE00 3.87
Cool Blue
#4984B8
ΔE00 3.99
Steel Blue
#4682B4
ΔE00 4.19
Dusty Blue
#5A86AD
ΔE00 4.34
Faded Blue
#658CBB
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537EBA #BA8F53
analogous
#53B2BA #537EBA #5B53BA
triadic
#537EBA #BA537E #7EBA53
tetradic
#537EBA #BA53B2 #BA8F53 #53BA5B
square
#537EBA #BA53B2 #BA8F53 #53BA5B
split-complementary
#537EBA #BA5B53 #B2BA53
monochromatic
#2A4469 #3B6194 #537EBA #7F9FCC #AAC0DD
Accessibility & contrast
On white
4.15
#537EBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.06
#537EBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537EBA
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537EBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537EBA | 1.00 | 4.15 | 5.06 | 5.06 |
| #FFFFFF | 4.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6682BD
Deuteranopia (green-blind)
#5978B9
Tritanopia (blue-blind)
#0F8B93
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #537eba; /* rgb */ color: rgb(83, 126, 186); /* oklch */ color: oklch(58.8% 0.104 256.9);
Tailwind
colors: {
custom: {
50: '#8aa3cf',
500: '#537eba',
950: '#000000',
},
}SCSS
$custom: #537eba; $custom-light: #8aa3cf; $custom-dark: #000000;
JSON
{
"hex": "#537eba",
"rgb": {
"r": 83,
"g": 126,
"b": 186
},
"hsl": {
"h": 214.951,
"s": 42.739,
"l": 52.745
},
"oklch": {
"l": 0.5883,
"c": 0.1043,
"h": 256.9
},
"luminance": 0.20306
}Semantic roles & 50–950 ramp
primary
#537EBA
secondary
#CBB89E
accent
#9E55D3
background
#F8FAFC
surface
#F0F3F9
border
#CBCDD2
text
#0C0F14
muted
#7D7F82