#538BBC#538BBC
#538BBC is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.9% C 0.095 H 246.5°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #538BBC |
|---|---|
| RGB | rgb(83, 139, 188) |
| HSL | hsl(208, 44%, 53%) |
| HSV | hsv(208, 56%, 74%) |
| CMYK | cmyk(55.9%, 26.1%, 0%, 26.3%) |
| CIE-LAB | lab(56.02, -4.03, -31.18) |
| CIE-LCH | lch(56.02, 31.44, 262.64°) |
| OKLab | oklab(61.88% -0.038 -0.0874) |
| OKLCH | oklch(61.88% 0.095 246.5) |
| XYZ | xyz(21.8737, 23.9332, 51.0341) |
| Luminance | 0.2394 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.59
Dusty Blue
#5A86AD
ΔE00 2.74
Off Blue
#5684AE
ΔE00 2.92
Steel Blue
#4682B4
ΔE00 3.43
Faded Blue
#658CBB
ΔE00 3.47
Dark Sky Blue
#448EE4
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538BBC #BC8453
analogous
#53BCB8 #538BBC #5356BC
triadic
#538BBC #BC538B #8BBC53
tetradic
#538BBC #B853BC #BC8453 #56BC53
square
#538BBC #B853BC #BC8453 #56BC53
split-complementary
#538BBC #BC5356 #BCB853
monochromatic
#2A4C6B #3B6C97 #538BBC #7FA9CD #ABC6DE
Accessibility & contrast
On white
3.63
#538BBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.79
#538BBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538BBC
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538BBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538BBC | 1.00 | 3.63 | 5.79 | 5.79 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#768CBE
Deuteranopia (green-blind)
#6882BB
Tritanopia (blue-blind)
#00979C
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #538bbc; /* rgb */ color: rgb(83, 139, 188); /* oklch */ color: oklch(61.9% 0.095 246.5);
Tailwind
colors: {
custom: {
50: '#8bacd0',
500: '#538bbc',
950: '#000000',
},
}SCSS
$custom: #538bbc; $custom-light: #8bacd0; $custom-dark: #000000;
JSON
{
"hex": "#538bbc",
"rgb": {
"r": 83,
"g": 139,
"b": 188
},
"hsl": {
"h": 208,
"s": 43.933,
"l": 53.137
},
"oklch": {
"l": 0.61875,
"c": 0.09535,
"h": 246.5
},
"luminance": 0.23935
}Semantic roles & 50–950 ramp
primary
#538BBC
secondary
#CCB49F
accent
#9054D4
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82