#5B80BC#5B80BC
#5B80BC is a mid, moderate blue. Relative luminance 0.213; OKLCH L 59.8% C 0.101 H 259.7°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #5B80BC |
|---|---|
| RGB | rgb(91, 128, 188) |
| HSL | hsl(217, 42%, 55%) |
| HSV | hsv(217, 52%, 74%) |
| CMYK | cmyk(51.6%, 31.9%, 0%, 26.3%) |
| CIE-LAB | lab(53.27, 4.22, -35.45) |
| CIE-LCH | lch(53.27, 35.70, 276.79°) |
| OKLab | oklab(59.82% -0.0181 -0.0997) |
| OKLCH | oklch(59.82% 0.101 259.7) |
| XYZ | xyz(21.1076, 21.2918, 50.5647) |
| Luminance | 0.2129 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Off Blue
#5684AE
ΔE00 4.10
Faded Blue
#658CBB
ΔE00 4.29
Dusty Blue
#5A86AD
ΔE00 4.54
Cool Blue
#4984B8
ΔE00 4.91
Steel Blue
#4682B4
ΔE00 5.30
Windows Blue
#3778BF
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B80BC #BC975B
analogous
#5BB1BC #5B80BC #675BBC
triadic
#5B80BC #BC5B80 #80BC5B
tetradic
#5B80BC #BC5BB1 #BC975B #5BBC67
square
#5B80BC #BC5BB1 #BC975B #5BBC67
split-complementary
#5B80BC #BC675B #B1BC5B
monochromatic
#2D476F #3F629B #5B80BC #86A2CE #B2C3E0
Accessibility & contrast
On white
3.99
#5B80BC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#5B80BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5B80BC
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B80BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5B80BC | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6984BF
Deuteranopia (green-blind)
#5D7BBB
Tritanopia (blue-blind)
#2C8D95
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #5b80bc; /* rgb */ color: rgb(91, 128, 188); /* oklch */ color: oklch(59.8% 0.101 259.7);
Tailwind
colors: {
custom: {
50: '#8fa4d0',
500: '#5b80bc',
950: '#000000',
},
}SCSS
$custom: #5b80bc; $custom-light: #8fa4d0; $custom-dark: #000000;
JSON
{
"hex": "#5b80bc",
"rgb": {
"r": 91,
"g": 128,
"b": 188
},
"hsl": {
"h": 217.113,
"s": 41.991,
"l": 54.706
},
"oklch": {
"l": 0.59824,
"c": 0.10134,
"h": 259.7
},
"luminance": 0.21293
}Semantic roles & 50–950 ramp
primary
#5B80BC
secondary
#CEBEA5
accent
#A356D2
background
#F9FAFC
surface
#F1F4F9
border
#CBCED2
text
#0D0F14
muted
#7E7F82