#507CBB#507CBB
#507CBB is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.3% C 0.109 H 257.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #507CBB |
|---|---|
| RGB | rgb(80, 124, 187) |
| HSL | hsl(215, 44%, 52%) |
| HSV | hsv(215, 57%, 73%) |
| CMYK | cmyk(57.2%, 33.7%, 0%, 26.7%) |
| CIE-LAB | lab(51.50, 3.84, -37.69) |
| CIE-LCH | lch(51.50, 37.88, 275.82°) |
| OKLab | oklab(58.28% -0.0238 -0.1064) |
| OKLCH | oklch(58.28% 0.109 257.4) |
| XYZ | xyz(19.4824, 19.7070, 49.7812) |
| Luminance | 0.1971 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.37
Off Blue
#5684AE
ΔE00 4.13
Cool Blue
#4984B8
ΔE00 4.36
Steel Blue
#4682B4
ΔE00 4.44
Dusty Blue
#5A86AD
ΔE00 4.89
Bluish
#2976BB
ΔE00 5.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507CBB #BB8F50
analogous
#50B2BB #507CBB #5950BB
triadic
#507CBB #BB507C #7CBB50
tetradic
#507CBB #BB50B2 #BB8F50 #50BB59
square
#507CBB #BB50B2 #BB8F50 #50BB59
split-complementary
#507CBB #BB5950 #B2BB50
monochromatic
#284368 #3A5F94 #507CBB #7C9DCC #A8BEDD
Accessibility & contrast
On white
4.25
#507CBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.94
#507CBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507CBB
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507CBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507CBB | 1.00 | 4.25 | 4.94 | 4.94 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6280BE
Deuteranopia (green-blind)
#5476BA
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #507cbb; /* rgb */ color: rgb(80, 124, 187); /* oklch */ color: oklch(58.3% 0.109 257.4);
Tailwind
colors: {
custom: {
50: '#89a1d0',
500: '#507cbb',
950: '#000000',
},
}SCSS
$custom: #507cbb; $custom-light: #89a1d0; $custom-dark: #000000;
JSON
{
"hex": "#507cbb",
"rgb": {
"r": 80,
"g": 124,
"b": 187
},
"hsl": {
"h": 215.327,
"s": 44.033,
"l": 52.353
},
"oklch": {
"l": 0.58278,
"c": 0.10904,
"h": 257.4
},
"luminance": 0.19709
}Semantic roles & 50–950 ramp
primary
#507CBB
secondary
#CBB89C
accent
#9F54D4
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82