#4978CA#4978CA
#4978CA is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.137 H 260.8°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).
Color values
| HEX | #4978CA |
|---|---|
| RGB | rgb(73, 120, 202) |
| HSL | hsl(218, 55%, 54%) |
| HSV | hsv(218, 64%, 79%) |
| CMYK | cmyk(63.9%, 40.6%, 0%, 20.8%) |
| CIE-LAB | lab(50.82, 9.99, -47.38) |
| CIE-LCH | lch(50.82, 48.42, 281.90°) |
| OKLab | oklab(57.91% -0.0219 -0.1349) |
| OKLCH | oklch(57.91% 0.137 260.8) |
| XYZ | xyz(20.1210, 19.1118, 58.4942) |
| Luminance | 0.1911 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.56
Cornflower Blue
#5170D7
ΔE00 4.24
Deep Sky Blue
#0D75F8
ΔE00 4.72
Cerulean Blue
#056EEE
ΔE00 4.95
Medium Blue
#2C6FBB
ΔE00 5.11
Clear Blue
#247AFD
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4978CA #CA9B49
analogous
#49B8CA #4978CA #5B49CA
triadic
#4978CA #CA4978 #78CA49
tetradic
#4978CA #CA49B8 #CA9B49 #49CA5B
square
#4978CA #CA49B8 #CA9B49 #49CA5B
split-complementary
#4978CA #CA5B49 #B8CA49
monochromatic
#224176 #305BA6 #4978CA #789BD8 #A8BEE6
Accessibility & contrast
On white
4.35
#4978CA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.82
#4978CA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4978CA
4.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4978CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4978CA | 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)
#537FCD
Deuteranopia (green-blind)
#4073C8
Tritanopia (blue-blind)
#008B97
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #4978ca; /* rgb */ color: rgb(73, 120, 202); /* oklch */ color: oklch(57.9% 0.137 260.8);
Tailwind
colors: {
custom: {
50: '#889eda',
500: '#4978ca',
950: '#000000',
},
}SCSS
$custom: #4978ca; $custom-light: #889eda; $custom-dark: #000000;
JSON
{
"hex": "#4978ca",
"rgb": {
"r": 73,
"g": 120,
"b": 202
},
"hsl": {
"h": 218.14,
"s": 54.894,
"l": 53.922
},
"oklch": {
"l": 0.57909,
"c": 0.13669,
"h": 260.8
},
"luminance": 0.19114
}Semantic roles & 50–950 ramp
primary
#4978CA
secondary
#D3BF9C
accent
#A84ADE
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83