#537FCD#537FCD
#537FCD is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.1% C 0.129 H 261.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #537FCD |
|---|---|
| RGB | rgb(83, 127, 205) |
| HSL | hsl(218, 55%, 56%) |
| HSV | hsv(218, 60%, 80%) |
| CMYK | cmyk(59.5%, 38%, 0%, 19.6%) |
| CIE-LAB | lab(53.41, 8.61, -44.94) |
| CIE-LCH | lch(53.41, 45.76, 280.85°) |
| OKLab | oklab(60.1% -0.02 -0.1275) |
| OKLCH | oklch(60.1% 0.129 261.1) |
| XYZ | xyz(22.1723, 21.4236, 60.7125) |
| Luminance | 0.2143 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Off Blue
#5684AE
ΔE00 4.76
Dodger Blue
#3E82FC
ΔE00 4.90
Faded Blue
#658CBB
ΔE00 4.98
Clear Blue
#247AFD
ΔE00 5.03
Windows Blue
#3778BF
ΔE00 5.04
Cool Blue
#4984B8
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537FCD #CDA153
analogous
#53BCCD #537FCD #6453CD
triadic
#537FCD #CD537F #7FCD53
tetradic
#537FCD #CD53BC #CDA153 #53CD64
square
#537FCD #CD53BC #CDA153 #53CD64
split-complementary
#537FCD #CD6453 #BCCD53
monochromatic
#254680 #3360B0 #537FCD #82A2DB #B2C6E9
Accessibility & contrast
On white
3.97
#537FCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#537FCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537FCD
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537FCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537FCD | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E86D0
Deuteranopia (green-blind)
#4E7ACB
Tritanopia (blue-blind)
#00909C
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #537fcd; /* rgb */ color: rgb(83, 127, 205); /* oklch */ color: oklch(60.1% 0.129 261.1);
Tailwind
colors: {
custom: {
50: '#8da3dc',
500: '#537fcd',
950: '#000000',
},
}SCSS
$custom: #537fcd; $custom-light: #8da3dc; $custom-dark: #000000;
JSON
{
"hex": "#537fcd",
"rgb": {
"r": 83,
"g": 127,
"b": 205
},
"hsl": {
"h": 218.361,
"s": 54.955,
"l": 56.471
},
"oklch": {
"l": 0.60098,
"c": 0.12907,
"h": 261.1
},
"luminance": 0.21426
}Semantic roles & 50–950 ramp
primary
#537FCD
secondary
#D7C5A5
accent
#A94ADE
background
#F9FAFD
surface
#F1F3FB
border
#CBCDD4
text
#0D0F15
muted
#7E7F83