#4B4BBB#4B4BBB
#4B4BBB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.0% C 0.172 H 277.7°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).
Color values
| HEX | #4B4BBB |
|---|---|
| RGB | rgb(75, 75, 187) |
| HSL | hsl(240, 45%, 51%) |
| HSV | hsv(240, 60%, 73%) |
| CMYK | cmyk(59.9%, 59.9%, 0%, 26.7%) |
| CIE-LAB | lab(38.05, 33.49, -59.24) |
| CIE-LCH | lch(38.05, 68.05, 299.48°) |
| OKLab | oklab(47.95% 0.0231 -0.1703) |
| OKLCH | oklch(47.95% 0.172 277.7) |
| XYZ | xyz(14.3845, 10.1148, 48.1984) |
| Luminance | 0.1012 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.97
Blue Blue
#2242C7
ΔE00 4.63
Blue With A Hint Of Purple
#533CC6
ΔE00 4.77
Iris
#6258C4
ΔE00 5.17
Bluey Purple
#6241C7
ΔE00 5.23
Warm Blue
#4B57DB
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B4BBB #BBBB4B
analogous
#4B83BB #4B4BBB #834BBB
triadic
#4B4BBB #BB4B4B #4BBB4B
tetradic
#4B4BBB #BB4B83 #BBBB4B #4BBB83
square
#4B4BBB #BB4B83 #BBBB4B #4BBB83
split-complementary
#4B4BBB #BB834B #83BB4B
monochromatic
#262665 #373792 #4B4BBB #7777CC #A4A4DD
Accessibility & contrast
On white
6.95
#4B4BBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.02
#4B4BBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B4BBB
6.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B4BBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B4BBB | 1.00 | 6.95 | 3.02 | 6.95 |
| #FFFFFF | 6.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005EBF
Deuteranopia (green-blind)
#0055B9
Tritanopia (blue-blind)
#00667C
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #4b4bbb; /* rgb */ color: rgb(75, 75, 187); /* oklch */ color: oklch(48.0% 0.172 277.7);
Tailwind
colors: {
custom: {
50: '#887dd0',
500: '#4b4bbb',
950: '#000000',
},
}SCSS
$custom: #4b4bbb; $custom-light: #887dd0; $custom-dark: #000000;
JSON
{
"hex": "#4b4bbb",
"rgb": {
"r": 75,
"g": 75,
"b": 187
},
"hsl": {
"h": 240,
"s": 45.161,
"l": 51.373
},
"oklch": {
"l": 0.47951,
"c": 0.17182,
"h": 277.7
},
"luminance": 0.10116
}Semantic roles & 50–950 ramp
primary
#4B4BBB
secondary
#CACA98
accent
#D553D5
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0914
muted
#7D7B82