#507BBA#507BBA
#507BBA is a mid, moderate blue. Relative luminance 0.194; OKLCH L 58.0% C 0.109 H 257.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #507BBA |
|---|---|
| RGB | rgb(80, 123, 186) |
| HSL | hsl(216, 43%, 52%) |
| HSV | hsv(216, 57%, 73%) |
| CMYK | cmyk(57%, 33.9%, 0%, 27.1%) |
| CIE-LAB | lab(51.17, 4.11, -37.64) |
| CIE-LCH | lch(51.17, 37.86, 276.24°) |
| OKLab | oklab(58% -0.0229 -0.1063) |
| OKLCH | oklch(58% 0.109 257.8) |
| XYZ | xyz(19.2511, 19.4150, 49.1778) |
| Luminance | 0.1942 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.36
Off Blue
#5684AE
ΔE00 4.40
Cool Blue
#4984B8
ΔE00 4.69
Steel Blue
#4682B4
ΔE00 4.71
Flat Blue
#3C73A8
ΔE00 4.93
Bluish
#2976BB
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507BBA #BA8F50
analogous
#50B0BA #507BBA #5A50BA
triadic
#507BBA #BA507B #7BBA50
tetradic
#507BBA #BA50B0 #BA8F50 #50BA5A
square
#507BBA #BA50B0 #BA8F50 #50BA5A
split-complementary
#507BBA #BA5A50 #B0BA50
monochromatic
#294267 #3A5E93 #507BBA #7C9CCB #A8BDDD
Accessibility & contrast
On white
4.30
#507BBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.88
#507BBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507BBA
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507BBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507BBA | 1.00 | 4.30 | 4.88 | 4.88 |
| #FFFFFF | 4.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#617FBD
Deuteranopia (green-blind)
#5475B9
Tritanopia (blue-blind)
#008992
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #507bba; /* rgb */ color: rgb(80, 123, 186); /* oklch */ color: oklch(58.0% 0.109 257.8);
Tailwind
colors: {
custom: {
50: '#89a0cf',
500: '#507bba',
950: '#000000',
},
}SCSS
$custom: #507bba; $custom-light: #89a0cf; $custom-dark: #000000;
JSON
{
"hex": "#507bba",
"rgb": {
"r": 80,
"g": 123,
"b": 186
},
"hsl": {
"h": 215.66,
"s": 43.443,
"l": 52.157
},
"oklch": {
"l": 0.58001,
"c": 0.10873,
"h": 257.8
},
"luminance": 0.19417
}Semantic roles & 50–950 ramp
primary
#507BBA
secondary
#CAB79C
accent
#A055D3
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82