#4B5ECF#4B5ECF
#4B5ECF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.175 H 271.9°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).
Color values
| HEX | #4B5ECF |
|---|---|
| RGB | rgb(75, 94, 207) |
| HSL | hsl(231, 58%, 55%) |
| HSV | hsv(231, 64%, 81%) |
| CMYK | cmyk(63.8%, 54.6%, 0%, 18.8%) |
| CIE-LAB | lab(44.24, 28.34, -60.80) |
| CIE-LCH | lch(44.24, 67.08, 294.99°) |
| OKLab | oklab(53.02% 0.0058 -0.1747) |
| OKLCH | oklch(53.02% 0.175 271.9) |
| XYZ | xyz(18.1631, 14.0047, 60.7654) |
| Luminance | 0.1401 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.83
Azul
#1D5DEC
ΔE00 4.37
Dark Periwinkle
#665FD1
ΔE00 4.52
Royal Blue
#4169E1
ΔE00 4.70
Iris
#6258C4
ΔE00 4.95
Slate Blue
#6A5ACD
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B5ECF #CFBC4B
analogous
#4BA0CF #4B5ECF #7A4BCF
triadic
#4B5ECF #CF4B5E #5ECF4B
tetradic
#4B5ECF #CF4BA0 #CFBC4B #4BCF7A
square
#4B5ECF #CF4BA0 #CFBC4B #4BCF7A
split-complementary
#4B5ECF #CF7A4B #A0CF4B
monochromatic
#222F7E #2E41AE #4B5ECF #7B89DC #ACB4E9
Accessibility & contrast
On white
5.52
#4B5ECF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.80
#4B5ECF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B5ECF
5.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B5ECF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B5ECF | 1.00 | 5.52 | 3.80 | 5.52 |
| #FFFFFF | 5.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#026FD3
Deuteranopia (green-blind)
#0063CD
Tritanopia (blue-blind)
#00798D
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #4b5ecf; /* rgb */ color: rgb(75, 94, 207); /* oklch */ color: oklch(53.0% 0.175 271.9);
Tailwind
colors: {
custom: {
50: '#8b8bde',
500: '#4b5ecf',
950: '#000000',
},
}SCSS
$custom: #4b5ecf; $custom-light: #8b8bde; $custom-dark: #000000;
JSON
{
"hex": "#4b5ecf",
"rgb": {
"r": 75,
"g": 94,
"b": 207
},
"hsl": {
"h": 231.364,
"s": 57.895,
"l": 55.294
},
"oklch": {
"l": 0.5302,
"c": 0.17477,
"h": 271.9
},
"luminance": 0.14006
}Semantic roles & 50–950 ramp
primary
#4B5ECF
secondary
#D6CF9F
accent
#CB47E1
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83