#4F77CA#4F77CA
#4F77CA is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.136 H 263.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).
Color values
| HEX | #4F77CA |
|---|---|
| RGB | rgb(79, 119, 202) |
| HSL | hsl(220, 54%, 55%) |
| HSV | hsv(220, 61%, 79%) |
| CMYK | cmyk(60.9%, 41.1%, 0%, 20.8%) |
| CIE-LAB | lab(50.83, 11.71, -47.35) |
| CIE-LCH | lch(50.83, 48.78, 283.89°) |
| OKLab | oklab(57.99% -0.0157 -0.1347) |
| OKLCH | oklch(57.99% 0.136 263.4) |
| XYZ | xyz(20.4783, 19.1184, 58.4767) |
| Luminance | 0.1912 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.31
Windows Blue
#3778BF
ΔE00 4.66
Deep Sky Blue
#0D75F8
ΔE00 5.25
Cerulean Blue
#056EEE
ΔE00 5.30
Royal Blue
#4169E1
ΔE00 5.43
Lightish Blue
#3D7AFD
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F77CA #CAA24F
analogous
#4FB4CA #4F77CA #654FCA
triadic
#4F77CA #CA4F77 #77CA4F
tetradic
#4F77CA #CA4FB4 #CAA24F #4FCA65
square
#4F77CA #CA4FB4 #CAA24F #4FCA65
split-complementary
#4F77CA #CA654F #B4CA4F
monochromatic
#25407A #3359A9 #4F77CA #7E9BD8 #ADC0E6
Accessibility & contrast
On white
4.35
#4F77CA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.82
#4F77CA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F77CA
4.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F77CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F77CA | 1.00 | 4.35 | 4.82 | 4.82 |
| #FFFFFF | 4.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#527FCD
Deuteranopia (green-blind)
#4174C8
Tritanopia (blue-blind)
#008A97
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #4f77ca; /* rgb */ color: rgb(79, 119, 202); /* oklch */ color: oklch(58.0% 0.136 263.4);
Tailwind
colors: {
custom: {
50: '#8b9dda',
500: '#4f77ca',
950: '#000000',
},
}SCSS
$custom: #4f77ca; $custom-light: #8b9dda; $custom-dark: #000000;
JSON
{
"hex": "#4f77ca",
"rgb": {
"r": 79,
"g": 119,
"b": 202
},
"hsl": {
"h": 220.488,
"s": 53.712,
"l": 55.098
},
"oklch": {
"l": 0.57993,
"c": 0.13565,
"h": 263.4
},
"luminance": 0.1912
}Semantic roles & 50–950 ramp
primary
#4F77CA
secondary
#D4C3A1
accent
#AD4BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83