#507BB1#507BB1
#507BB1 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.097 H 254.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #507BB1 |
|---|---|
| RGB | rgb(80, 123, 177) |
| HSL | hsl(213, 38%, 50%) |
| HSV | hsv(213, 55%, 69%) |
| CMYK | cmyk(54.8%, 30.5%, 0%, 30.6%) |
| CIE-LAB | lab(50.74, 1.18, -33.13) |
| CIE-LCH | lch(50.74, 33.15, 272.04°) |
| OKLab | oklab(57.52% -0.0254 -0.0932) |
| OKLCH | oklch(57.52% 0.097 254.7) |
| XYZ | xyz(18.3243, 19.0443, 44.2967) |
| Luminance | 0.1905 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.17
Off Blue
#5684AE
ΔE00 3.90
Steel Blue
#4682B4
ΔE00 4.08
Dull Blue
#49759C
ΔE00 4.17
Flat Blue
#3C73A8
ΔE00 4.18
Cool Blue
#4984B8
ΔE00 4.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507BB1 #B18650
analogous
#50ABB1 #507BB1 #5550B1
triadic
#507BB1 #B1507B #7BB150
tetradic
#507BB1 #B150AB #B18650 #50B155
square
#507BB1 #B150AB #B18650 #50B155
split-complementary
#507BB1 #B15550 #ABB150
monochromatic
#29405D #3C5E87 #507BB1 #7A9BC4 #A5BBD7
Accessibility & contrast
On white
4.37
#507BB1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#507BB1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507BB1
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507BB1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507BB1 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#657EB3
Deuteranopia (green-blind)
#5975B0
Tritanopia (blue-blind)
#14878E
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #507bb1; /* rgb */ color: rgb(80, 123, 177); /* oklch */ color: oklch(57.5% 0.097 254.7);
Tailwind
colors: {
custom: {
50: '#88a0c8',
500: '#507bb1',
950: '#000000',
},
}SCSS
$custom: #507bb1; $custom-light: #88a0c8; $custom-dark: #000000;
JSON
{
"hex": "#507bb1",
"rgb": {
"r": 80,
"g": 123,
"b": 177
},
"hsl": {
"h": 213.402,
"s": 38.34,
"l": 50.392
},
"oklch": {
"l": 0.57523,
"c": 0.09659,
"h": 254.7
},
"luminance": 0.19046
}Semantic roles & 50–950 ramp
primary
#507BB1
secondary
#C4B199
accent
#9B5ACE
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0E13
muted
#7D7E82