#4F79CB#4F79CB
#4F79CB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.135 H 262.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #4F79CB |
|---|---|
| RGB | rgb(79, 121, 203) |
| HSL | hsl(220, 54%, 55%) |
| HSV | hsv(220, 61%, 80%) |
| CMYK | cmyk(61.1%, 40.4%, 0%, 20.4%) |
| CIE-LAB | lab(51.44, 10.82, -46.95) |
| CIE-LCH | lch(51.44, 48.18, 282.98°) |
| OKLab | oklab(58.48% -0.0176 -0.1335) |
| OKLCH | oklch(58.48% 0.135 262.5) |
| XYZ | xyz(20.8376, 19.6470, 59.1825) |
| Luminance | 0.1965 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.90
Windows Blue
#3778BF
ΔE00 4.45
Deep Sky Blue
#0D75F8
ΔE00 5.06
Clear Blue
#247AFD
ΔE00 5.32
Lightish Blue
#3D7AFD
ΔE00 5.36
Cerulean Blue
#056EEE
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F79CB #CBA14F
analogous
#4FB7CB #4F79CB #634FCB
triadic
#4F79CB #CB4F79 #79CB4F
tetradic
#4F79CB #CB4FB7 #CBA14F #4FCB63
square
#4F79CB #CB4FB7 #CBA14F #4FCB63
split-complementary
#4F79CB #CB634F #B7CB4F
monochromatic
#24427B #325BAA #4F79CB #7E9DD9 #ADC1E7
Accessibility & contrast
On white
4.26
#4F79CB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#4F79CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F79CB
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F79CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F79CB | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5581CE
Deuteranopia (green-blind)
#4475C9
Tritanopia (blue-blind)
#008B98
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4f79cb; /* rgb */ color: rgb(79, 121, 203); /* oklch */ color: oklch(58.5% 0.135 262.5);
Tailwind
colors: {
custom: {
50: '#8b9fdb',
500: '#4f79cb',
950: '#000000',
},
}SCSS
$custom: #4f79cb; $custom-light: #8b9fdb; $custom-dark: #000000;
JSON
{
"hex": "#4f79cb",
"rgb": {
"r": 79,
"g": 121,
"b": 203
},
"hsl": {
"h": 219.677,
"s": 54.386,
"l": 55.294
},
"oklch": {
"l": 0.58482,
"c": 0.13469,
"h": 262.5
},
"luminance": 0.19649
}Semantic roles & 50–950 ramp
primary
#4F79CB
secondary
#D5C3A1
accent
#AC4ADE
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83