#4B66CA#4B66CA
#4B66CA is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.158 H 269.2°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #4B66CA |
|---|---|
| RGB | rgb(75, 102, 202) |
| HSL | hsl(227, 55%, 54%) |
| HSV | hsv(227, 63%, 79%) |
| CMYK | cmyk(62.9%, 49.5%, 0%, 20.8%) |
| CIE-LAB | lab(45.99, 21.57, -55.10) |
| CIE-LCH | lch(45.99, 59.18, 291.38°) |
| OKLab | oklab(54.23% -0.0022 -0.1578) |
| OKLCH | oklch(54.23% 0.158 269.2) |
| XYZ | xyz(18.3101, 15.2613, 57.8465) |
| Luminance | 0.1526 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.16
Cornflower Blue
#5170D7
ΔE00 3.89
French Blue
#436BAD
ΔE00 4.98
Azul
#1D5DEC
ΔE00 5.15
Warm Blue
#4B57DB
ΔE00 5.64
Dark Periwinkle
#665FD1
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B66CA #CAAF4B
analogous
#4BA6CA #4B66CA #704BCA
triadic
#4B66CA #CA4B66 #66CA4B
tetradic
#4B66CA #CA4BA6 #CAAF4B #4BCA70
square
#4B66CA #CA4BA6 #CAAF4B #4BCA70
split-complementary
#4B66CA #CA704B #A6CA4B
monochromatic
#233577 #314AA7 #4B66CA #7A8ED8 #AAB6E6
Accessibility & contrast
On white
5.18
#4B66CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#4B66CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B66CA
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B66CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B66CA | 1.00 | 5.18 | 4.05 | 5.18 |
| #FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3073CE
Deuteranopia (green-blind)
#1168C8
Tritanopia (blue-blind)
#007D8E
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #4b66ca; /* rgb */ color: rgb(75, 102, 202); /* oklch */ color: oklch(54.2% 0.158 269.2);
Tailwind
colors: {
custom: {
50: '#8991db',
500: '#4b66ca',
950: '#000000',
},
}SCSS
$custom: #4b66ca; $custom-light: #8991db; $custom-dark: #000000;
JSON
{
"hex": "#4b66ca",
"rgb": {
"r": 75,
"g": 102,
"b": 202
},
"hsl": {
"h": 227.244,
"s": 54.506,
"l": 54.314
},
"oklch": {
"l": 0.54234,
"c": 0.15782,
"h": 269.2
},
"luminance": 0.15263
}Semantic roles & 50–950 ramp
primary
#4B66CA
secondary
#D3C89D
accent
#BE4ADE
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83