#538FD3#538FD3
#538FD3 is a light, vivid cyan. Relative luminance 0.262; OKLCH L 63.9% C 0.120 H 252.8°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).
Color values
| HEX | #538FD3 |
|---|---|
| RGB | rgb(83, 143, 211) |
| HSL | hsl(212, 59%, 58%) |
| HSV | hsv(212, 61%, 83%) |
| CMYK | cmyk(60.7%, 32.2%, 0%, 17.3%) |
| CIE-LAB | lab(58.21, 1.09, -40.75) |
| CIE-LCH | lch(58.21, 40.76, 271.53°) |
| OKLab | oklab(63.94% -0.0356 -0.1151) |
| OKLCH | oklch(63.94% 0.12 252.8) |
| XYZ | xyz(25.1434, 26.1848, 65.3445) |
| Luminance | 0.2619 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.70
Faded Blue
#658CBB
ΔE00 3.84
Dodgerblue
#1E90FF
ΔE00 3.94
Cornflowerblue
#6495ED
ΔE00 4.49
Cool Blue
#4984B8
ΔE00 4.96
Dusty Blue
#5A86AD
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538FD3 #D39753
analogous
#53CFD3 #538FD3 #5753D3
triadic
#538FD3 #D3538F #8FD353
tetradic
#538FD3 #D353CF #D39753 #53D357
square
#538FD3 #D353CF #D39753 #53D357
split-complementary
#538FD3 #D35753 #CFD353
monochromatic
#235389 #2F70B9 #538FD3 #84AFDF #B4CEEC
Accessibility & contrast
On white
3.37
#538FD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.24
#538FD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538FD3
6.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538FD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538FD3 | 1.00 | 3.37 | 6.24 | 6.24 |
| #FFFFFF | 3.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7293D6
Deuteranopia (green-blind)
#6186D2
Tritanopia (blue-blind)
#009FA7
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #538fd3; /* rgb */ color: rgb(83, 143, 211); /* oklch */ color: oklch(63.9% 0.120 252.8);
Tailwind
colors: {
custom: {
50: '#8eafe1',
500: '#538fd3',
950: '#000000',
},
}SCSS
$custom: #538fd3; $custom-light: #8eafe1; $custom-dark: #000000;
JSON
{
"hex": "#538fd3",
"rgb": {
"r": 83,
"g": 143,
"b": 211
},
"hsl": {
"h": 211.875,
"s": 59.259,
"l": 57.647
},
"oklch": {
"l": 0.6394,
"c": 0.12049,
"h": 252.8
},
"luminance": 0.26187
}Semantic roles & 50–950 ramp
primary
#538FD3
secondary
#DBC3A7
accent
#9945E2
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83