#4979BF#4979BF
#4979BF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.5% C 0.121 H 257.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #4979BF |
|---|---|
| RGB | rgb(73, 121, 191) |
| HSL | hsl(216, 48%, 52%) |
| HSV | hsv(216, 62%, 75%) |
| CMYK | cmyk(61.8%, 36.6%, 0%, 25.1%) |
| CIE-LAB | lab(50.51, 5.59, -41.57) |
| CIE-LCH | lch(50.51, 41.95, 277.66°) |
| OKLab | oklab(57.48% -0.0255 -0.1179) |
| OKLCH | oklch(57.48% 0.121 257.8) |
| XYZ | xyz(18.9857, 18.8511, 51.9182) |
| Luminance | 0.1885 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.56
Bluish
#2976BB
ΔE00 4.29
Flat Blue
#3C73A8
ΔE00 4.40
Medium Blue
#2C6FBB
ΔE00 4.53
Steel Blue
#4682B4
ΔE00 4.90
Cool Blue
#4984B8
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4979BF #BF8F49
analogous
#49B4BF #4979BF #5449BF
triadic
#4979BF #BF4979 #79BF49
tetradic
#4979BF #BF49B4 #BF8F49 #49BF54
square
#4979BF #BF49B4 #BF8F49 #49BF54
split-complementary
#4979BF #BF5449 #B4BF49
monochromatic
#254069 #355C96 #4979BF #769ACF #A4BCDF
Accessibility & contrast
On white
4.40
#4979BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.77
#4979BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4979BF
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4979BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4979BF | 1.00 | 4.40 | 4.77 | 4.77 |
| #FFFFFF | 4.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B7EC2
Deuteranopia (green-blind)
#4B73BE
Tritanopia (blue-blind)
#008993
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #4979bf; /* rgb */ color: rgb(73, 121, 191); /* oklch */ color: oklch(57.5% 0.121 257.8);
Tailwind
colors: {
custom: {
50: '#869fd2',
500: '#4979bf',
950: '#000000',
},
}SCSS
$custom: #4979bf; $custom-light: #869fd2; $custom-dark: #000000;
JSON
{
"hex": "#4979bf",
"rgb": {
"r": 73,
"g": 121,
"b": 191
},
"hsl": {
"h": 215.593,
"s": 47.967,
"l": 51.765
},
"oklch": {
"l": 0.5748,
"c": 0.12061,
"h": 257.8
},
"luminance": 0.18853
}Semantic roles & 50–950 ramp
primary
#4979BF
secondary
#CCB798
accent
#A150D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82