#4B7ECB#4B7ECB
#4B7ECB is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.131 H 258.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #4B7ECB |
|---|---|
| RGB | rgb(75, 126, 203) |
| HSL | hsl(216, 55%, 55%) |
| HSV | hsv(216, 63%, 80%) |
| CMYK | cmyk(63.1%, 37.9%, 0%, 20.4%) |
| CIE-LAB | lab(52.65, 7.03, -45.04) |
| CIE-LCH | lch(52.65, 45.58, 278.87°) |
| OKLab | oklab(59.37% -0.0262 -0.1279) |
| OKLCH | oklch(59.37% 0.131 258.4) |
| XYZ | xyz(21.1382, 20.7274, 59.3751) |
| Luminance | 0.2073 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.77
Cool Blue
#4984B8
ΔE00 4.25
Off Blue
#5684AE
ΔE00 4.43
Steel Blue
#4682B4
ΔE00 4.60
Clear Blue
#247AFD
ΔE00 4.84
Azure
#007FFF
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B7ECB #CB984B
analogous
#4BBECB #4B7ECB #584BCB
triadic
#4B7ECB #CB4B7E #7ECB4B
tetradic
#4B7ECB #CB4BBE #CB984B #4BCB58
square
#4B7ECB #CB4BBE #CB984B #4BCB58
split-complementary
#4B7ECB #CB584B #BECB4B
monochromatic
#234579 #3160A8 #4B7ECB #7AA0D9 #AAC2E6
Accessibility & contrast
On white
4.08
#4B7ECB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.15
#4B7ECB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B7ECB
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B7ECB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B7ECB | 1.00 | 4.08 | 5.15 | 5.15 |
| #FFFFFF | 4.08 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C84CE
Deuteranopia (green-blind)
#4A78C9
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #4b7ecb; /* rgb */ color: rgb(75, 126, 203); /* oklch */ color: oklch(59.4% 0.131 258.4);
Tailwind
colors: {
custom: {
50: '#89a3db',
500: '#4b7ecb',
950: '#000000',
},
}SCSS
$custom: #4b7ecb; $custom-light: #89a3db; $custom-dark: #000000;
JSON
{
"hex": "#4b7ecb",
"rgb": {
"r": 75,
"g": 126,
"b": 203
},
"hsl": {
"h": 216.094,
"s": 55.172,
"l": 54.51
},
"oklch": {
"l": 0.59372,
"c": 0.13059,
"h": 258.4
},
"luminance": 0.20729
}Semantic roles & 50–950 ramp
primary
#4B7ECB
secondary
#D4BE9E
accent
#A349DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0F15
muted
#7D7E83