#4B4BB9#4B4BB9
#4B4BB9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.8% C 0.169 H 277.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4B4BB9 |
|---|---|
| RGB | rgb(75, 75, 185) |
| HSL | hsl(240, 44%, 51%) |
| HSV | hsv(240, 59%, 73%) |
| CMYK | cmyk(59.5%, 59.5%, 0%, 27.5%) |
| CIE-LAB | lab(37.90, 32.82, -58.31) |
| CIE-LCH | lch(37.90, 66.92, 299.38°) |
| OKLab | oklab(47.79% 0.0232 -0.1675) |
| OKLCH | oklch(47.79% 0.169 277.9) |
| XYZ | xyz(14.1719, 10.0298, 47.0787) |
| Luminance | 0.1003 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.93
Blue Blue
#2242C7
ΔE00 4.72
Blue With A Hint Of Purple
#533CC6
ΔE00 4.90
Iris
#6258C4
ΔE00 5.25
Bluey Purple
#6241C7
ΔE00 5.37
Blurple
#5539CC
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B4BB9 #B9B94B
analogous
#4B82B9 #4B4BB9 #824BB9
triadic
#4B4BB9 #B94B4B #4BB94B
tetradic
#4B4BB9 #B94B82 #B9B94B #4BB982
square
#4B4BB9 #B94B82 #B9B94B #4BB982
split-complementary
#4B4BB9 #B9824B #82B94B
monochromatic
#272763 #38388F #4B4BB9 #7777CA #A3A3DB
Accessibility & contrast
On white
6.99
#4B4BB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#4B4BB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B4BB9
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B4BB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B4BB9 | 1.00 | 6.99 | 3.01 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005EBD
Deuteranopia (green-blind)
#0055B7
Tritanopia (blue-blind)
#00667B
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #4b4bb9; /* rgb */ color: rgb(75, 75, 185); /* oklch */ color: oklch(47.8% 0.169 277.9);
Tailwind
colors: {
custom: {
50: '#887dcf',
500: '#4b4bb9',
950: '#000000',
},
}SCSS
$custom: #4b4bb9; $custom-light: #887dcf; $custom-dark: #000000;
JSON
{
"hex": "#4b4bb9",
"rgb": {
"r": 75,
"g": 75,
"b": 185
},
"hsl": {
"h": 240,
"s": 44,
"l": 50.98
},
"oklch": {
"l": 0.47791,
"c": 0.16913,
"h": 277.9
},
"luminance": 0.10031
}Semantic roles & 50–950 ramp
primary
#4B4BB9
secondary
#C8C898
accent
#D454D4
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0914
muted
#7D7B82