#5771CB#5771CB
#5771CB is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.142 H 269.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #5771CB |
|---|---|
| RGB | rgb(87, 113, 203) |
| HSL | hsl(227, 53%, 57%) |
| HSV | hsv(227, 57%, 80%) |
| CMYK | cmyk(57.1%, 44.3%, 0%, 20.4%) |
| CIE-LAB | lab(49.67, 17.32, -49.73) |
| CIE-LCH | lch(49.67, 52.66, 289.20°) |
| OKLab | oklab(57.24% -0.0014 -0.1416) |
| OKLCH | oklch(57.24% 0.142 269.4) |
| XYZ | xyz(20.6115, 18.1467, 58.9048) |
| Luminance | 0.1815 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.68
Royal Blue
#4169E1
ΔE00 4.10
French Blue
#436BAD
ΔE00 5.72
Cerulean Blue
#056EEE
ΔE00 6.33
Deep Sky Blue
#0D75F8
ΔE00 7.06
Lightish Blue
#3D7AFD
ΔE00 7.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5771CB #CBB157
analogous
#57ABCB #5771CB #7757CB
triadic
#5771CB #CB5771 #71CB57
tetradic
#5771CB #CB57AB #CBB157 #57CB77
square
#5771CB #CB57AB #CBB157 #57CB77
split-complementary
#5771CB #CB7757 #ABCB57
monochromatic
#283B80 #3651AF #5771CB #8699D9 #B4C0E8
Accessibility & contrast
On white
4.54
#5771CB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#5771CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5771CB
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5771CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5771CB | 1.00 | 4.54 | 4.63 | 4.63 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#497CCE
Deuteranopia (green-blind)
#3971C9
Tritanopia (blue-blind)
#018594
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #5771cb; /* rgb */ color: rgb(87, 113, 203); /* oklch */ color: oklch(57.2% 0.142 269.4);
Tailwind
colors: {
custom: {
50: '#8f99db',
500: '#5771cb',
950: '#000000',
},
}SCSS
$custom: #5771cb; $custom-light: #8f99db; $custom-dark: #000000;
JSON
{
"hex": "#5771cb",
"rgb": {
"r": 87,
"g": 113,
"b": 203
},
"hsl": {
"h": 226.552,
"s": 52.727,
"l": 56.863
},
"oklch": {
"l": 0.57241,
"c": 0.14165,
"h": 269.4
},
"luminance": 0.18148
}Semantic roles & 50–950 ramp
primary
#5771CB
secondary
#D7CCA7
accent
#BC4CDC
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0D15
muted
#7E7E83