#4978B3#4978B3
#4978B3 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.105 H 254.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #4978B3 |
|---|---|
| RGB | rgb(73, 120, 179) |
| HSL | hsl(213, 42%, 49%) |
| HSV | hsv(213, 59%, 70%) |
| CMYK | cmyk(59.2%, 33%, 0%, 29.8%) |
| CIE-LAB | lab(49.62, 2.13, -36.06) |
| CIE-LCH | lch(49.62, 36.13, 273.38°) |
| OKLab | oklab(56.59% -0.0275 -0.1018) |
| OKLCH | oklch(56.59% 0.106 254.9) |
| XYZ | xyz(17.5979, 18.1025, 45.2058) |
| Luminance | 0.1810 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.26
Flat Blue
#3C73A8
ΔE00 3.12
Bluish
#2976BB
ΔE00 3.57
Dull Blue
#49759C
ΔE00 3.75
Medium Blue
#2C6FBB
ΔE00 3.93
Muted Blue
#3B719F
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4978B3 #B38449
analogous
#49ADB3 #4978B3 #4F49B3
triadic
#4978B3 #B34978 #78B349
tetradic
#4978B3 #B349AD #B38449 #49B34F
square
#4978B3 #B349AD #B38449 #49B34F
split-complementary
#4978B3 #B34F49 #ADB349
monochromatic
#263E5C #375B88 #4978B3 #7398C6 #9FB8D8
Accessibility & contrast
On white
4.54
#4978B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#4978B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4978B3
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4978B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4978B3 | 1.00 | 4.54 | 4.62 | 4.62 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F7CB6
Deuteranopia (green-blind)
#5271B2
Tritanopia (blue-blind)
#00858D
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #4978b3; /* rgb */ color: rgb(73, 120, 179); /* oklch */ color: oklch(56.6% 0.105 254.9);
Tailwind
colors: {
custom: {
50: '#849eca',
500: '#4978b3',
950: '#000000',
},
}SCSS
$custom: #4978b3; $custom-light: #849eca; $custom-dark: #000000;
JSON
{
"hex": "#4978b3",
"rgb": {
"r": 73,
"g": 120,
"b": 179
},
"hsl": {
"h": 213.396,
"s": 42.063,
"l": 49.412
},
"oklch": {
"l": 0.56586,
"c": 0.1055,
"h": 254.9
},
"luminance": 0.18104
}Semantic roles & 50–950 ramp
primary
#4978B3
secondary
#C4AF93
accent
#9B56D2
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0E13
muted
#7D7E82