#4B59B8#4B59B8
#4B59B8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.4% C 0.149 H 273.5°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #4B59B8 |
|---|---|
| RGB | rgb(75, 89, 184) |
| HSL | hsl(232, 43%, 51%) |
| HSV | hsv(232, 59%, 72%) |
| CMYK | cmyk(59.2%, 51.6%, 0%, 27.8%) |
| CIE-LAB | lab(41.37, 23.63, -52.10) |
| CIE-LCH | lch(41.37, 57.21, 294.40°) |
| OKLab | oklab(50.37% 0.0091 -0.1491) |
| OKLCH | oklch(50.37% 0.149 273.5) |
| XYZ | xyz(15.1229, 12.1001, 46.8767) |
| Luminance | 0.1210 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.75
Warm Blue
#4B57DB
ΔE00 4.92
Sapphire
#0F52BA
ΔE00 6.02
Dusky Blue
#475F94
ΔE00 6.08
Dark Periwinkle
#665FD1
ΔE00 6.10
Slate Blue
#6A5ACD
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B59B8 #B8AA4B
analogous
#4B8FB8 #4B59B8 #734BB8
triadic
#4B59B8 #B84B59 #59B84B
tetradic
#4B59B8 #B84B8F #B8AA4B #4BB873
square
#4B59B8 #B84B8F #B8AA4B #4BB873
split-complementary
#4B59B8 #B8734B #8FB84B
monochromatic
#272E62 #38438E #4B59B8 #7781C9 #A3AADB
Accessibility & contrast
On white
6.14
#4B59B8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#4B59B8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B59B8
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B59B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B59B8 | 1.00 | 6.14 | 3.42 | 6.14 |
| #FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2466BB
Deuteranopia (green-blind)
#085DB6
Tritanopia (blue-blind)
#006F80
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #4b59b8; /* rgb */ color: rgb(75, 89, 184); /* oklch */ color: oklch(50.4% 0.149 273.5);
Tailwind
colors: {
custom: {
50: '#8787ce',
500: '#4b59b8',
950: '#000000',
},
}SCSS
$custom: #4b59b8; $custom-light: #8787ce; $custom-dark: #000000;
JSON
{
"hex": "#4b59b8",
"rgb": {
"r": 75,
"g": 89,
"b": 184
},
"hsl": {
"h": 232.294,
"s": 43.426,
"l": 50.784
},
"oklch": {
"l": 0.50366,
"c": 0.1494,
"h": 273.5
},
"luminance": 0.12101
}Semantic roles & 50–950 ramp
primary
#4B59B8
secondary
#C8C197
accent
#C355D3
background
#F8F8FC
surface
#F0EFF9
border
#CBCAD2
text
#0C0B14
muted
#7D7C82