#507BBD#507BBD
#507BBD is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.2% C 0.113 H 258.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #507BBD |
|---|---|
| RGB | rgb(80, 123, 189) |
| HSL | hsl(216, 45%, 53%) |
| HSV | hsv(216, 58%, 74%) |
| CMYK | cmyk(57.7%, 34.9%, 0%, 25.9%) |
| CIE-LAB | lab(51.32, 5.10, -39.13) |
| CIE-LCH | lch(51.32, 39.46, 277.43°) |
| OKLab | oklab(58.17% -0.0221 -0.1106) |
| OKLCH | oklch(58.17% 0.113 258.7) |
| XYZ | xyz(19.5733, 19.5439, 50.8751) |
| Luminance | 0.1955 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.51
Off Blue
#5684AE
ΔE00 4.55
Cool Blue
#4984B8
ΔE00 4.84
Steel Blue
#4682B4
ΔE00 4.91
Flat Blue
#3C73A8
ΔE00 5.20
Bluish
#2976BB
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507BBD #BD9250
analogous
#50B2BD #507BBD #5B50BD
triadic
#507BBD #BD507B #7BBD50
tetradic
#507BBD #BD50B2 #BD9250 #50BD5B
square
#507BBD #BD50B2 #BD9250 #50BD5B
split-complementary
#507BBD #BD5B50 #B2BD50
monochromatic
#28426A #395E97 #507BBD #7C9DCE #A9BEDF
Accessibility & contrast
On white
4.28
#507BBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.91
#507BBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507BBD
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507BBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507BBD | 1.00 | 4.28 | 4.91 | 4.91 |
| #FFFFFF | 4.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6080C0
Deuteranopia (green-blind)
#5276BC
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #507bbd; /* rgb */ color: rgb(80, 123, 189); /* oklch */ color: oklch(58.2% 0.113 258.7);
Tailwind
colors: {
custom: {
50: '#89a0d1',
500: '#507bbd',
950: '#000000',
},
}SCSS
$custom: #507bbd; $custom-light: #89a0d1; $custom-dark: #000000;
JSON
{
"hex": "#507bbd",
"rgb": {
"r": 80,
"g": 123,
"b": 189
},
"hsl": {
"h": 216.33,
"s": 45.228,
"l": 52.745
},
"oklch": {
"l": 0.58165,
"c": 0.11282,
"h": 258.7
},
"luminance": 0.19546
}Semantic roles & 50–950 ramp
primary
#507BBD
secondary
#CCB99D
accent
#A253D5
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82