#4F55CC#4F55CC
#4F55CC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.4% C 0.181 H 275.8°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4F55CC |
|---|---|
| RGB | rgb(79, 85, 204) |
| HSL | hsl(237, 55%, 55%) |
| HSV | hsv(237, 61%, 80%) |
| CMYK | cmyk(61.3%, 58.3%, 0%, 20%) |
| CIE-LAB | lab(42.03, 33.62, -62.65) |
| CIE-LCH | lch(42.03, 71.10, 298.22°) |
| OKLab | oklab(51.37% 0.0183 -0.1801) |
| OKLCH | oklch(51.37% 0.181 275.8) |
| XYZ | xyz(17.3685, 12.5175, 58.6159) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.11
Iris
#6258C4
ΔE00 3.35
Dark Periwinkle
#665FD1
ΔE00 4.58
Slate Blue
#6A5ACD
ΔE00 4.60
Light Indigo
#6D5ACF
ΔE00 5.13
Azul
#1D5DEC
ΔE00 6.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F55CC #CCC64F
analogous
#4F93CC #4F55CC #874FCC
triadic
#4F55CC #CC4F55 #55CC4F
tetradic
#4F55CC #CC4F93 #CCC64F #4FCC87
square
#4F55CC #CC4F93 #CCC64F #4FCC87
split-complementary
#4F55CC #CC874F #93CC4F
monochromatic
#24287D #3238AC #4F55CC #7E83DA #AEB1E7
Accessibility & contrast
On white
5.99
#4F55CC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#4F55CC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4F55CC
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F55CC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4F55CC | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069D0
Deuteranopia (green-blind)
#005ECA
Tritanopia (blue-blind)
#007288
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4f55cc; /* rgb */ color: rgb(79, 85, 204); /* oklch */ color: oklch(51.4% 0.181 275.8);
Tailwind
colors: {
custom: {
50: '#8d85dc',
500: '#4f55cc',
950: '#000000',
},
}SCSS
$custom: #4f55cc; $custom-light: #8d85dc; $custom-dark: #000000;
JSON
{
"hex": "#4f55cc",
"rgb": {
"r": 79,
"g": 85,
"b": 204
},
"hsl": {
"h": 237.12,
"s": 55.066,
"l": 55.49
},
"oklch": {
"l": 0.51367,
"c": 0.18104,
"h": 275.8
},
"luminance": 0.12519
}Semantic roles & 50–950 ramp
primary
#4F55CC
secondary
#D5D3A1
accent
#D749DE
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83