#4F78CA#4F78CA
#4F78CA is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.134 H 262.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).
Color values
| HEX | #4F78CA |
|---|---|
| RGB | rgb(79, 120, 202) |
| HSL | hsl(220, 54%, 55%) |
| HSV | hsv(220, 61%, 79%) |
| CMYK | cmyk(60.9%, 40.6%, 0%, 20.8%) |
| CIE-LAB | lab(51.10, 11.09, -46.91) |
| CIE-LCH | lch(51.10, 48.20, 283.30°) |
| OKLab | oklab(58.21% -0.0167 -0.1334) |
| OKLCH | oklch(58.21% 0.134 262.9) |
| XYZ | xyz(20.5979, 19.3577, 58.5166) |
| Luminance | 0.1936 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.63
Windows Blue
#3778BF
ΔE00 4.51
Deep Sky Blue
#0D75F8
ΔE00 5.18
Cerulean Blue
#056EEE
ΔE00 5.40
Clear Blue
#247AFD
ΔE00 5.54
Lightish Blue
#3D7AFD
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F78CA #CAA14F
analogous
#4FB6CA #4F78CA #634FCA
triadic
#4F78CA #CA4F78 #78CA4F
tetradic
#4F78CA #CA4FB6 #CAA14F #4FCA63
square
#4F78CA #CA4FB6 #CAA14F #4FCA63
split-complementary
#4F78CA #CA634F #B6CA4F
monochromatic
#25417A #335AA9 #4F78CA #7E9CD8 #ADC0E6
Accessibility & contrast
On white
4.31
#4F78CA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.87
#4F78CA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F78CA
4.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F78CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F78CA | 1.00 | 4.31 | 4.87 | 4.87 |
| #FFFFFF | 4.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5480CD
Deuteranopia (green-blind)
#4374C8
Tritanopia (blue-blind)
#008A97
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #4f78ca; /* rgb */ color: rgb(79, 120, 202); /* oklch */ color: oklch(58.2% 0.134 262.9);
Tailwind
colors: {
custom: {
50: '#8b9eda',
500: '#4f78ca',
950: '#000000',
},
}SCSS
$custom: #4f78ca; $custom-light: #8b9eda; $custom-dark: #000000;
JSON
{
"hex": "#4f78ca",
"rgb": {
"r": 79,
"g": 120,
"b": 202
},
"hsl": {
"h": 220,
"s": 53.712,
"l": 55.098
},
"oklch": {
"l": 0.58207,
"c": 0.13447,
"h": 262.9
},
"luminance": 0.19359
}Semantic roles & 50–950 ramp
primary
#4F78CA
secondary
#D4C3A1
accent
#AC4BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83