#4978DD#4978DD
#4978DD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.162 H 263.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #4978DD |
|---|---|
| RGB | rgb(73, 120, 221) |
| HSL | hsl(221, 69%, 58%) |
| HSV | hsv(221, 67%, 87%) |
| CMYK | cmyk(67%, 45.7%, 0%, 13.3%) |
| CIE-LAB | lab(51.91, 16.62, -56.40) |
| CIE-LCH | lch(51.91, 58.80, 286.42°) |
| OKLab | oklab(59.11% -0.0185 -0.1614) |
| OKLCH | oklch(59.11% 0.162 263.5) |
| XYZ | xyz(22.5107, 20.0676, 71.0797) |
| Luminance | 0.2007 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.50
Lightish Blue
#3D7AFD
ΔE00 3.53
Deep Sky Blue
#0D75F8
ΔE00 3.55
Clear Blue
#247AFD
ΔE00 3.69
Cerulean Blue
#056EEE
ΔE00 4.43
Dodger Blue
#3E82FC
ΔE00 4.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4978DD #DDAE49
analogous
#49C2DD #4978DD #6449DD
triadic
#4978DD #DD4978 #78DD49
tetradic
#4978DD #DD49C2 #DDAE49 #49DD64
square
#4978DD #DD49C2 #DDAE49 #49DD64
split-complementary
#4978DD #DD6449 #C2DD49
monochromatic
#1B4091 #2557C4 #4978DD #7D9EE7 #B0C4F0
Accessibility & contrast
On white
4.19
#4978DD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#4978DD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4978DD
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4978DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4978DD | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4583E1
Deuteranopia (green-blind)
#2875DB
Tritanopia (blue-blind)
#008FA0
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #4978dd; /* rgb */ color: rgb(73, 120, 221); /* oklch */ color: oklch(59.1% 0.162 263.5);
Tailwind
colors: {
custom: {
50: '#8b9ee8',
500: '#4978dd',
950: '#000000',
},
}SCSS
$custom: #4978dd; $custom-light: #8b9ee8; $custom-dark: #000000;
JSON
{
"hex": "#4978dd",
"rgb": {
"r": 73,
"g": 120,
"b": 221
},
"hsl": {
"h": 220.946,
"s": 68.519,
"l": 57.647
},
"oklch": {
"l": 0.59108,
"c": 0.16247,
"h": 263.5
},
"luminance": 0.2007
}Semantic roles & 50–950 ramp
primary
#4978DD
secondary
#DFCCA3
accent
#B43CEB
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84