#4B7DCC#4B7DCC
#4B7DCC is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.2% C 0.133 H 259.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #4B7DCC |
|---|---|
| RGB | rgb(75, 125, 204) |
| HSL | hsl(217, 56%, 55%) |
| HSV | hsv(217, 63%, 80%) |
| CMYK | cmyk(63.2%, 38.7%, 0%, 20%) |
| CIE-LAB | lab(52.42, 7.98, -45.97) |
| CIE-LCH | lch(52.42, 46.65, 279.85°) |
| OKLab | oklab(59.21% -0.0249 -0.1307) |
| OKLCH | oklch(59.21% 0.133 259.2) |
| XYZ | xyz(21.1305, 20.5207, 59.9624) |
| Luminance | 0.2052 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.79
Cool Blue
#4984B8
ΔE00 4.60
Off Blue
#5684AE
ΔE00 4.68
Clear Blue
#247AFD
ΔE00 4.75
Deep Sky Blue
#0D75F8
ΔE00 4.85
Steel Blue
#4682B4
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B7DCC #CC9A4B
analogous
#4BBECC #4B7DCC #5A4BCC
triadic
#4B7DCC #CC4B7D #7DCC4B
tetradic
#4B7DCC #CC4BBE #CC9A4B #4BCC5A
square
#4B7DCC #CC4BBE #CC9A4B #4BCC5A
split-complementary
#4B7DCC #CC5A4B #BECC4B
monochromatic
#23447A #305FAA #4B7DCC #7B9FDA #AAC2E7
Accessibility & contrast
On white
4.11
#4B7DCC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.10
#4B7DCC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B7DCC
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B7DCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B7DCC | 1.00 | 4.11 | 5.10 | 5.10 |
| #FFFFFF | 4.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A84CF
Deuteranopia (green-blind)
#4878CA
Tritanopia (blue-blind)
#008F9B
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #4b7dcc; /* rgb */ color: rgb(75, 125, 204); /* oklch */ color: oklch(59.2% 0.133 259.2);
Tailwind
colors: {
custom: {
50: '#89a2dc',
500: '#4b7dcc',
950: '#000000',
},
}SCSS
$custom: #4b7dcc; $custom-light: #89a2dc; $custom-dark: #000000;
JSON
{
"hex": "#4b7dcc",
"rgb": {
"r": 75,
"g": 125,
"b": 204
},
"hsl": {
"h": 216.744,
"s": 55.844,
"l": 54.706
},
"oklch": {
"l": 0.59211,
"c": 0.13303,
"h": 259.2
},
"luminance": 0.20523
}Semantic roles & 50–950 ramp
primary
#4B7DCC
secondary
#D5C09E
accent
#A549DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0F15
muted
#7D7E83