#537DC0#537DC0
#537DC0 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.114 H 259.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #537DC0 |
|---|---|
| RGB | rgb(83, 125, 192) |
| HSL | hsl(217, 46%, 54%) |
| HSV | hsv(217, 57%, 75%) |
| CMYK | cmyk(56.8%, 34.9%, 0%, 24.7%) |
| CIE-LAB | lab(52.19, 5.52, -39.47) |
| CIE-LCH | lch(52.19, 39.85, 277.96°) |
| OKLab | oklab(58.93% -0.0209 -0.1116) |
| OKLCH | oklch(58.93% 0.114 259.4) |
| XYZ | xyz(20.4120, 20.3103, 52.7036) |
| Luminance | 0.2031 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 4.14
Off Blue
#5684AE
ΔE00 4.33
Cool Blue
#4984B8
ΔE00 4.72
Steel Blue
#4682B4
ΔE00 4.96
Dusty Blue
#5A86AD
ΔE00 4.97
Faded Blue
#658CBB
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537DC0 #C09653
analogous
#53B4C0 #537DC0 #6053C0
triadic
#537DC0 #C0537D #7DC053
tetradic
#537DC0 #C053B4 #C09653 #53C060
square
#537DC0 #C053B4 #C09653 #53C060
split-complementary
#537DC0 #C06053 #B4C053
monochromatic
#294470 #39609C #537DC0 #809FD0 #ADC1E1
Accessibility & contrast
On white
4.15
#537DC0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.06
#537DC0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537DC0
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537DC0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537DC0 | 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)
#6282C3
Deuteranopia (green-blind)
#5478BF
Tritanopia (blue-blind)
#008C95
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #537dc0; /* rgb */ color: rgb(83, 125, 192); /* oklch */ color: oklch(58.9% 0.114 259.4);
Tailwind
colors: {
custom: {
50: '#8ba2d3',
500: '#537dc0',
950: '#000000',
},
}SCSS
$custom: #537dc0; $custom-light: #8ba2d3; $custom-dark: #000000;
JSON
{
"hex": "#537dc0",
"rgb": {
"r": 83,
"g": 125,
"b": 192
},
"hsl": {
"h": 216.881,
"s": 46.383,
"l": 53.922
},
"oklch": {
"l": 0.58931,
"c": 0.1135,
"h": 259.4
},
"luminance": 0.20312
}Semantic roles & 50–950 ramp
primary
#537DC0
secondary
#CFBDA0
accent
#A352D6
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0D0F14
muted
#7D7E83