#4B56CB#4B56CB
#4B56CB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.179 H 274.1°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #4B56CB |
|---|---|
| RGB | rgb(75, 86, 203) |
| HSL | hsl(235, 55%, 55%) |
| HSV | hsv(235, 63%, 80%) |
| CMYK | cmyk(63.1%, 57.6%, 0%, 20.4%) |
| CIE-LAB | lab(41.94, 32.00, -62.23) |
| CIE-LCH | lch(41.94, 69.97, 297.21°) |
| OKLab | oklab(51.21% 0.0129 -0.1789) |
| OKLCH | oklch(51.21% 0.179 274.1) |
| XYZ | xyz(17.0054, 12.4618, 57.9976) |
| Luminance | 0.1246 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.17
Iris
#6258C4
ΔE00 3.89
Dark Periwinkle
#665FD1
ΔE00 4.93
Slate Blue
#6A5ACD
ΔE00 5.18
Azul
#1D5DEC
ΔE00 5.69
Light Indigo
#6D5ACF
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B56CB #CBC04B
analogous
#4B96CB #4B56CB #804BCB
triadic
#4B56CB #CB4B56 #56CB4B
tetradic
#4B56CB #CB4B96 #CBC04B #4BCB80
square
#4B56CB #CB4B96 #CBC04B #4BCB80
split-complementary
#4B56CB #CB804B #96CB4B
monochromatic
#232A79 #313BA8 #4B56CB #7A83D9 #AAAFE6
Accessibility & contrast
On white
6.01
#4B56CB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.49
#4B56CB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B56CB
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B56CB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B56CB | 1.00 | 6.01 | 3.49 | 6.01 |
| #FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069CF
Deuteranopia (green-blind)
#005DC9
Tritanopia (blue-blind)
#007288
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4b56cb; /* rgb */ color: rgb(75, 86, 203); /* oklch */ color: oklch(51.2% 0.179 274.1);
Tailwind
colors: {
custom: {
50: '#8a85dc',
500: '#4b56cb',
950: '#000000',
},
}SCSS
$custom: #4b56cb; $custom-light: #8a85dc; $custom-dark: #000000;
JSON
{
"hex": "#4b56cb",
"rgb": {
"r": 75,
"g": 86,
"b": 203
},
"hsl": {
"h": 234.844,
"s": 55.172,
"l": 54.51
},
"oklch": {
"l": 0.51212,
"c": 0.17941,
"h": 274.1
},
"luminance": 0.12463
}Semantic roles & 50–950 ramp
primary
#4B56CB
secondary
#D4CF9E
accent
#D249DF
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83