#4C77BD#4C77BD
#4C77BD is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.1% C 0.119 H 259.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #4C77BD |
|---|---|
| RGB | rgb(76, 119, 189) |
| HSL | hsl(217, 46%, 52%) |
| HSV | hsv(217, 60%, 74%) |
| CMYK | cmyk(59.8%, 37%, 0%, 25.9%) |
| CIE-LAB | lab(49.98, 6.71, -41.25) |
| CIE-LCH | lch(49.98, 41.80, 279.24°) |
| OKLab | oklab(57.07% -0.0212 -0.1169) |
| OKLCH | oklch(57.07% 0.119 259.7) |
| XYZ | xyz(18.7594, 18.4026, 50.6977) |
| Luminance | 0.1840 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.32
Flat Blue
#3C73A8
ΔE00 4.50
Medium Blue
#2C6FBB
ΔE00 4.51
Cornflower Blue
#5170D7
ΔE00 4.67
French Blue
#436BAD
ΔE00 4.74
Bluish
#2976BB
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4C77BD #BD924C
analogous
#4CB0BD #4C77BD #5A4CBD
triadic
#4C77BD #BD4C77 #77BD4C
tetradic
#4C77BD #BD4CB0 #BD924C #4CBD5A
square
#4C77BD #BD4CB0 #BD924C #4CBD5A
split-complementary
#4C77BD #BD5A4C #B0BD4C
monochromatic
#263F68 #375B95 #4C77BD #7999CD #A5BBDE
Accessibility & contrast
On white
4.49
#4C77BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#4C77BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4C77BD
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4C77BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4C77BD | 1.00 | 4.49 | 4.68 | 4.68 |
| #FFFFFF | 4.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#597DC0
Deuteranopia (green-blind)
#4A72BC
Tritanopia (blue-blind)
#008791
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4c77bd; /* rgb */ color: rgb(76, 119, 189); /* oklch */ color: oklch(57.1% 0.119 259.7);
Tailwind
colors: {
custom: {
50: '#879dd1',
500: '#4c77bd',
950: '#000000',
},
}SCSS
$custom: #4c77bd; $custom-light: #879dd1; $custom-dark: #000000;
JSON
{
"hex": "#4c77bd",
"rgb": {
"r": 76,
"g": 119,
"b": 189
},
"hsl": {
"h": 217.168,
"s": 46.122,
"l": 51.961
},
"oklch": {
"l": 0.57072,
"c": 0.11885,
"h": 259.7
},
"luminance": 0.18404
}Semantic roles & 50–950 ramp
primary
#4C77BD
secondary
#CBB89A
accent
#A452D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82