#5579CC#5579CC
#5579CC is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.9% C 0.134 H 264.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5579CC |
|---|---|
| RGB | rgb(85, 121, 204) |
| HSL | hsl(222, 54%, 57%) |
| HSV | hsv(222, 58%, 80%) |
| CMYK | cmyk(58.3%, 40.7%, 0%, 20%) |
| CIE-LAB | lab(51.80, 12.33, -46.93) |
| CIE-LCH | lch(51.80, 48.52, 284.72°) |
| OKLab | oklab(58.86% -0.0119 -0.1334) |
| OKLCH | oklch(58.86% 0.134 264.9) |
| XYZ | xyz(21.4790, 19.9639, 59.8366) |
| Luminance | 0.1997 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.45
Lightish Blue
#3D7AFD
ΔE00 5.43
Windows Blue
#3778BF
ΔE00 5.54
Deep Sky Blue
#0D75F8
ΔE00 5.67
Clear Blue
#247AFD
ΔE00 5.76
Royal Blue
#4169E1
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5579CC #CCA855
analogous
#55B4CC #5579CC #6D55CC
triadic
#5579CC #CC5579 #79CC55
tetradic
#5579CC #CC55B4 #CCA855 #55CC6D
square
#5579CC #CC55B4 #CCA855 #55CC6D
split-complementary
#5579CC #CC6D55 #B4CC55
monochromatic
#264280 #355AAF #5579CC #849EDA #B3C3E8
Accessibility & contrast
On white
4.21
#5579CC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#5579CC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5579CC
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5579CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5579CC | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5581CF
Deuteranopia (green-blind)
#4576CA
Tritanopia (blue-blind)
#008B98
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #5579cc; /* rgb */ color: rgb(85, 121, 204); /* oklch */ color: oklch(58.9% 0.134 264.9);
Tailwind
colors: {
custom: {
50: '#8e9fdc',
500: '#5579cc',
950: '#000000',
},
}SCSS
$custom: #5579cc; $custom-light: #8e9fdc; $custom-dark: #000000;
JSON
{
"hex": "#5579cc",
"rgb": {
"r": 85,
"g": 121,
"b": 204
},
"hsl": {
"h": 221.849,
"s": 53.846,
"l": 56.667
},
"oklch": {
"l": 0.5886,
"c": 0.13389,
"h": 264.9
},
"luminance": 0.19966
}Semantic roles & 50–950 ramp
primary
#5579CC
secondary
#D7C8A6
accent
#B14BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83