#537CAB#537CAB
#537CAB is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.086 H 252.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #537CAB |
|---|---|
| RGB | rgb(83, 124, 171) |
| HSL | hsl(212, 35%, 50%) |
| HSV | hsv(212, 51%, 67%) |
| CMYK | cmyk(51.5%, 27.5%, 0%, 32.9%) |
| CIE-LAB | lab(50.91, -0.63, -29.37) |
| CIE-LCH | lch(50.91, 29.38, 268.77°) |
| OKLab | oklab(57.61% -0.0257 -0.0823) |
| OKLCH | oklch(57.61% 0.086 252.6) |
| XYZ | xyz(18.1231, 19.1932, 41.2698) |
| Luminance | 0.1920 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Off Blue
#5684AE
ΔE00 3.29
Steel Blue
#4682B4
ΔE00 3.78
Windows Blue
#3778BF
ΔE00 3.79
Dull Blue
#49759C
ΔE00 3.80
Stormy Blue
#507B9C
ΔE00 3.95
Cool Blue
#4984B8
ΔE00 4.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537CAB #AB8253
analogous
#53A8AB #537CAB #5653AB
triadic
#537CAB #AB537C #7CAB53
tetradic
#537CAB #AB53A8 #AB8253 #53AB56
square
#537CAB #AB53A8 #AB8253 #53AB56
split-complementary
#537CAB #AB5653 #A8AB53
monochromatic
#2B4059 #3F5E82 #537CAB #7C9BBF #A5BBD3
Accessibility & contrast
On white
4.34
#537CAB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.84
#537CAB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537CAB
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537CAB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537CAB | 1.00 | 4.34 | 4.84 | 4.84 |
| #FFFFFF | 4.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697EAD
Deuteranopia (green-blind)
#5E75AA
Tritanopia (blue-blind)
#27878C
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #537cab; /* rgb */ color: rgb(83, 124, 171); /* oklch */ color: oklch(57.6% 0.086 252.6);
Tailwind
colors: {
custom: {
50: '#89a1c4',
500: '#537cab',
950: '#000000',
},
}SCSS
$custom: #537cab; $custom-light: #89a1c4; $custom-dark: #000000;
JSON
{
"hex": "#537cab",
"rgb": {
"r": 83,
"g": 124,
"b": 171
},
"hsl": {
"h": 212.045,
"s": 34.646,
"l": 49.804
},
"oklch": {
"l": 0.57612,
"c": 0.08621,
"h": 252.6
},
"luminance": 0.19195
}Semantic roles & 50–950 ramp
primary
#537CAB
secondary
#C1AE99
accent
#985DCB
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0F12
muted
#7D7E81