#4C66DA#4C66DA
#4C66DA is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.179 H 270.1°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).
Color values
| HEX | #4C66DA |
|---|---|
| RGB | rgb(76, 102, 218) |
| HSL | hsl(229, 66%, 58%) |
| HSV | hsv(229, 65%, 85%) |
| CMYK | cmyk(65.1%, 53.2%, 0%, 14.5%) |
| CIE-LAB | lab(47.10, 27.28, -62.45) |
| CIE-LCH | lch(47.10, 68.14, 293.60°) |
| OKLab | oklab(55.43% 0.0002 -0.1794) |
| OKLCH | oklch(55.43% 0.179 270.1) |
| XYZ | xyz(20.3825, 16.0993, 68.3494) |
| Luminance | 0.1610 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 1.97
Cornflower Blue
#5170D7
ΔE00 3.45
Azul
#1D5DEC
ΔE00 4.25
Bright Blue
#0165FC
ΔE00 4.70
Warm Blue
#4B57DB
ΔE00 4.94
Dark Periwinkle
#665FD1
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4C66DA #DAC04C
analogous
#4CADDA #4C66DA #794CDA
triadic
#4C66DA #DA4C66 #66DA4C
tetradic
#4C66DA #DA4CAD #DAC04C #4CDA79
square
#4C66DA #DA4CAD #DAC04C #4CDA79
split-complementary
#4C66DA #DA794C #ADDA4C
monochromatic
#1D328E #2844C1 #4C66DA #7F91E4 #B1BDEF
Accessibility & contrast
On white
4.98
#4C66DA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.22
#4C66DA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4C66DA
4.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4C66DA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4C66DA | 1.00 | 4.98 | 4.22 | 4.98 |
| #FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1476DE
Deuteranopia (green-blind)
#006AD8
Tritanopia (blue-blind)
#008296
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #4c66da; /* rgb */ color: rgb(76, 102, 218); /* oklch */ color: oklch(55.4% 0.179 270.1);
Tailwind
colors: {
custom: {
50: '#8d91e6',
500: '#4c66da',
950: '#000000',
},
}SCSS
$custom: #4c66da; $custom-light: #8d91e6; $custom-dark: #000000;
JSON
{
"hex": "#4c66da",
"rgb": {
"r": 76,
"g": 102,
"b": 218
},
"hsl": {
"h": 229.014,
"s": 65.741,
"l": 57.647
},
"oklch": {
"l": 0.55429,
"c": 0.17939,
"h": 270.1
},
"luminance": 0.16101
}Semantic roles & 50–950 ramp
primary
#4C66DA
secondary
#DDD3A4
accent
#CA3FE9
background
#F9F8FE
surface
#F2F0FC
border
#CCCBD5
text
#0D0C16
muted
#7E7D84